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Finding the Fourth Proportional to 463,640.60, 695,288.10 and 322,981.40

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Solution

The fourth proportional to 463,640.60, 695,288.10 and 322,981.40 is: 484,351.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,640.60 : 695,288.10 = 322,981.40 : x
  2. Step 2: Convert to fraction form
    463,640.60/695,288.10 = 322,981.40/x
  3. Step 3: Cross multiply
    463,640.60x = 695,288.10 × 322,981.40
  4. Step 4: Simplify right side
    463,640.60x = 224,565,123,941.34
  5. Step 5: Solve for x
    x = 224,565,123,941.34/463,640.60
  6. Step 6: Final answer
    x = 484,351.72

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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.