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Finding the Fourth Proportional to 356,157,073.60, 534,235,610.40 and 220,108,177.60

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Solution

The fourth proportional to 356,157,073.60, 534,235,610.40 and 220,108,177.60 is: 330,162,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,157,073.60 : 534,235,610.40 = 220,108,177.60 : x
  2. Step 2: Convert to fraction form
    356,157,073.60/534,235,610.40 = 220,108,177.60/x
  3. Step 3: Cross multiply
    356,157,073.60x = 534,235,610.40 × 220,108,177.60
  4. Step 4: Simplify right side
    356,157,073.60x = 117,589,626,614,167,600
  5. Step 5: Solve for x
    x = 117,589,626,614,167,600/356,157,073.60
  6. Step 6: Final answer
    x = 330,162,266.40

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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.