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Finding the Fourth Proportional to 488,326,064.70, 732,489,097.05 and 396,493,059.90

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Solution

The fourth proportional to 488,326,064.70, 732,489,097.05 and 396,493,059.90 is: 594,739,589.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,326,064.70 : 732,489,097.05 = 396,493,059.90 : x
  2. Step 2: Convert to fraction form
    488,326,064.70/732,489,097.05 = 396,493,059.90/x
  3. Step 3: Cross multiply
    488,326,064.70x = 732,489,097.05 × 396,493,059.90
  4. Step 4: Simplify right side
    488,326,064.70x = 290,426,843,432,742,528
  5. Step 5: Solve for x
    x = 290,426,843,432,742,528/488,326,064.70
  6. Step 6: Final answer
    x = 594,739,589.85

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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.