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Finding the Fourth Proportional to 539,591.78, 744,617.13 and 297,869.16

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Solution

The fourth proportional to 539,591.78, 744,617.13 and 297,869.16 is: 411,048.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,591.78 : 744,617.13 = 297,869.16 : x
  2. Step 2: Convert to fraction form
    539,591.78/744,617.13 = 297,869.16/x
  3. Step 3: Cross multiply
    539,591.78x = 744,617.13 × 297,869.16
  4. Step 4: Simplify right side
    539,591.78x = 221,798,481,547.77
  5. Step 5: Solve for x
    x = 221,798,481,547.77/539,591.78
  6. Step 6: Final answer
    x = 411,048.67

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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.