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Finding the Fourth Proportional to 541,433.70, 812,150.55 and 275,713.20

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Solution

The fourth proportional to 541,433.70, 812,150.55 and 275,713.20 is: 413,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,433.70 : 812,150.55 = 275,713.20 : x
  2. Step 2: Convert to fraction form
    541,433.70/812,150.55 = 275,713.20/x
  3. Step 3: Cross multiply
    541,433.70x = 812,150.55 × 275,713.20
  4. Step 4: Simplify right side
    541,433.70x = 223,920,627,022.26
  5. Step 5: Solve for x
    x = 223,920,627,022.26/541,433.70
  6. Step 6: Final answer
    x = 413,569.80

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Half scale
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Double scale
Find fourth proportional to 541,434.70, 812,152.05 and 275,714.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.