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Finding the Fourth Proportional to 633,337.53, 874,068.19 and 361,446.35

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Solution

The fourth proportional to 633,337.53, 874,068.19 and 361,446.35 is: 498,831.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,337.53 : 874,068.19 = 361,446.35 : x
  2. Step 2: Convert to fraction form
    633,337.53/874,068.19 = 361,446.35/x
  3. Step 3: Cross multiply
    633,337.53x = 874,068.19 × 361,446.35
  4. Step 4: Simplify right side
    633,337.53x = 315,928,757,585.85
  5. Step 5: Solve for x
    x = 315,928,757,585.85/633,337.53
  6. Step 6: Final answer
    x = 498,831.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.