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Finding the Fourth Proportional to 488,600,856.73, 732,901,285.09 and 488,600,856.73

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Solution

The fourth proportional to 488,600,856.73, 732,901,285.09 and 488,600,856.73 is: 732,901,285.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,600,856.73 : 732,901,285.09 = 488,600,856.73 : x
  2. Step 2: Convert to fraction form
    488,600,856.73/732,901,285.09 = 488,600,856.73/x
  3. Step 3: Cross multiply
    488,600,856.73x = 732,901,285.09 × 488,600,856.73
  4. Step 4: Simplify right side
    488,600,856.73x = 358,096,195,789,827,520
  5. Step 5: Solve for x
    x = 358,096,195,789,827,520/488,600,856.73
  6. Step 6: Final answer
    x = 732,901,285.09

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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.