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Finding the Fourth Proportional to 216,652.29, 324,894.47 and 74,470.83

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Solution

The fourth proportional to 216,652.29, 324,894.47 and 74,470.83 is: 111,677.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,652.29 : 324,894.47 = 74,470.83 : x
  2. Step 2: Convert to fraction form
    216,652.29/324,894.47 = 74,470.83/x
  3. Step 3: Cross multiply
    216,652.29x = 324,894.47 × 74,470.83
  4. Step 4: Simplify right side
    216,652.29x = 24,195,160,470.96
  5. Step 5: Solve for x
    x = 24,195,160,470.96/216,652.29
  6. Step 6: Final answer
    x = 111,677.38

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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.