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Finding the Fourth Proportional to 435,576.61, 652,490.11 and 198,593.29

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Solution

The fourth proportional to 435,576.61, 652,490.11 and 198,593.29 is: 297,491.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,576.61 : 652,490.11 = 198,593.29 : x
  2. Step 2: Convert to fraction form
    435,576.61/652,490.11 = 198,593.29/x
  3. Step 3: Cross multiply
    435,576.61x = 652,490.11 × 198,593.29
  4. Step 4: Simplify right side
    435,576.61x = 129,580,156,644.40
  5. Step 5: Solve for x
    x = 129,580,156,644.40/435,576.61
  6. Step 6: Final answer
    x = 297,491.08

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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.