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Finding the Fourth Proportional to 546,666.12, 754,417.98 and 317,206.08

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Solution

The fourth proportional to 546,666.12, 754,417.98 and 317,206.08 is: 437,755.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,666.12 : 754,417.98 = 317,206.08 : x
  2. Step 2: Convert to fraction form
    546,666.12/754,417.98 = 317,206.08/x
  3. Step 3: Cross multiply
    546,666.12x = 754,417.98 × 317,206.08
  4. Step 4: Simplify right side
    546,666.12x = 239,305,970,117.32
  5. Step 5: Solve for x
    x = 239,305,970,117.32/546,666.12
  6. Step 6: Final answer
    x = 437,755.26

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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.