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Finding the Fourth Proportional to 539,180.10, 744,068.61 and 297,463.25

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Solution

The fourth proportional to 539,180.10, 744,068.61 and 297,463.25 is: 410,499.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,180.10 : 744,068.61 = 297,463.25 : x
  2. Step 2: Convert to fraction form
    539,180.10/744,068.61 = 297,463.25/x
  3. Step 3: Cross multiply
    539,180.10x = 744,068.61 × 297,463.25
  4. Step 4: Simplify right side
    539,180.10x = 221,333,068,813.75
  5. Step 5: Solve for x
    x = 221,333,068,813.75/539,180.10
  6. Step 6: Final answer
    x = 410,499.33

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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.