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Finding the Fourth Proportional to 410,835.84, 616,248.80 and 130,355.52

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Solution

The fourth proportional to 410,835.84, 616,248.80 and 130,355.52 is: 195,531.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,835.84 : 616,248.80 = 130,355.52 : x
  2. Step 2: Convert to fraction form
    410,835.84/616,248.80 = 130,355.52/x
  3. Step 3: Cross multiply
    410,835.84x = 616,248.80 × 130,355.52
  4. Step 4: Simplify right side
    410,835.84x = 80,331,432,773.38
  5. Step 5: Solve for x
    x = 80,331,432,773.38/410,835.84
  6. Step 6: Final answer
    x = 195,531.71

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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.