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Finding the Fourth Proportional to 602,838.80, 904,426.19 and 491,569.72

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Solution

The fourth proportional to 602,838.80, 904,426.19 and 491,569.72 is: 737,491.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,838.80 : 904,426.19 = 491,569.72 : x
  2. Step 2: Convert to fraction form
    602,838.80/904,426.19 = 491,569.72/x
  3. Step 3: Cross multiply
    602,838.80x = 904,426.19 × 491,569.72
  4. Step 4: Simplify right side
    602,838.80x = 444,588,528,978.97
  5. Step 5: Solve for x
    x = 444,588,528,978.97/602,838.80
  6. Step 6: Final answer
    x = 737,491.56

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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.