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Finding the Fourth Proportional to 541,255.80, 811,883.70 and 260,801.40

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Solution

The fourth proportional to 541,255.80, 811,883.70 and 260,801.40 is: 391,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,255.80 : 811,883.70 = 260,801.40 : x
  2. Step 2: Convert to fraction form
    541,255.80/811,883.70 = 260,801.40/x
  3. Step 3: Cross multiply
    541,255.80x = 811,883.70 × 260,801.40
  4. Step 4: Simplify right side
    541,255.80x = 211,740,405,597.18
  5. Step 5: Solve for x
    x = 211,740,405,597.18/541,255.80
  6. Step 6: Final answer
    x = 391,202.10

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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.