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Finding the Fourth Proportional to 488,634.10, 732,951.15 and 404,653.30

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Solution

The fourth proportional to 488,634.10, 732,951.15 and 404,653.30 is: 606,979.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,634.10 : 732,951.15 = 404,653.30 : x
  2. Step 2: Convert to fraction form
    488,634.10/732,951.15 = 404,653.30/x
  3. Step 3: Cross multiply
    488,634.10x = 732,951.15 × 404,653.30
  4. Step 4: Simplify right side
    488,634.10x = 296,591,101,586.30
  5. Step 5: Solve for x
    x = 296,591,101,586.30/488,634.10
  6. Step 6: Final answer
    x = 606,979.95

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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.