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Finding the Fourth Proportional to 359,665,750.85, 539,713,856.84 and 155,193,826.10

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Solution

The fourth proportional to 359,665,750.85, 539,713,856.84 and 155,193,826.10 is: 232,883,609.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,665,750.85 : 539,713,856.84 = 155,193,826.10 : x
  2. Step 2: Convert to fraction form
    359,665,750.85/539,713,856.84 = 155,193,826.10/x
  3. Step 3: Cross multiply
    359,665,750.85x = 539,713,856.84 × 155,193,826.10
  4. Step 4: Simplify right side
    359,665,750.85x = 83,760,258,438,712,720
  5. Step 5: Solve for x
    x = 83,760,258,438,712,720/359,665,750.85
  6. Step 6: Final answer
    x = 232,883,609.97

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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.