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Finding the Fourth Proportional to 356,811.60, 534,472.20 and 167,433.60

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Solution

The fourth proportional to 356,811.60, 534,472.20 and 167,433.60 is: 250,800.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,811.60 : 534,472.20 = 167,433.60 : x
  2. Step 2: Convert to fraction form
    356,811.60/534,472.20 = 167,433.60/x
  3. Step 3: Cross multiply
    356,811.60x = 534,472.20 × 167,433.60
  4. Step 4: Simplify right side
    356,811.60x = 89,488,604,545.92
  5. Step 5: Solve for x
    x = 89,488,604,545.92/356,811.60
  6. Step 6: Final answer
    x = 250,800.72

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1.5x scale

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.