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Finding the Fourth Proportional to 324,737.34, 486,981.45 and 111,465.52

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Solution

The fourth proportional to 324,737.34, 486,981.45 and 111,465.52 is: 167,155.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,737.34 : 486,981.45 = 111,465.52 : x
  2. Step 2: Convert to fraction form
    324,737.34/486,981.45 = 111,465.52/x
  3. Step 3: Cross multiply
    324,737.34x = 486,981.45 × 111,465.52
  4. Step 4: Simplify right side
    324,737.34x = 54,281,639,337.15
  5. Step 5: Solve for x
    x = 54,281,639,337.15/324,737.34
  6. Step 6: Final answer
    x = 167,155.52

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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.