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Finding the Fourth Proportional to 541,624.92, 748,220.96 and 432,586.10

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Solution

The fourth proportional to 541,624.92, 748,220.96 and 432,586.10 is: 597,590.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,624.92 : 748,220.96 = 432,586.10 : x
  2. Step 2: Convert to fraction form
    541,624.92/748,220.96 = 432,586.10/x
  3. Step 3: Cross multiply
    541,624.92x = 748,220.96 × 432,586.10
  4. Step 4: Simplify right side
    541,624.92x = 323,669,987,024.66
  5. Step 5: Solve for x
    x = 323,669,987,024.66/541,624.92
  6. Step 6: Final answer
    x = 597,590.65

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Half scale
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Double scale
Find fourth proportional to 541,625.92, 748,222.34 and 432,587.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.