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Finding the Fourth Proportional to 539,597.66, 744,591.69 and 297,864.63

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Solution

The fourth proportional to 539,597.66, 744,591.69 and 297,864.63 is: 411,023.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,597.66 : 744,591.69 = 297,864.63 : x
  2. Step 2: Convert to fraction form
    539,597.66/744,591.69 = 297,864.63/x
  3. Step 3: Cross multiply
    539,597.66x = 744,591.69 × 297,864.63
  4. Step 4: Simplify right side
    539,597.66x = 221,787,528,242.93
  5. Step 5: Solve for x
    x = 221,787,528,242.93/539,597.66
  6. Step 6: Final answer
    x = 411,023.89

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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.