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Finding the Fourth Proportional to 292,105.53, 435,581.12 and 281,698.14

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Solution

The fourth proportional to 292,105.53, 435,581.12 and 281,698.14 is: 420,061.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,105.53 : 435,581.12 = 281,698.14 : x
  2. Step 2: Convert to fraction form
    292,105.53/435,581.12 = 281,698.14/x
  3. Step 3: Cross multiply
    292,105.53x = 435,581.12 × 281,698.14
  4. Step 4: Simplify right side
    292,105.53x = 122,702,391,323.12
  5. Step 5: Solve for x
    x = 122,702,391,323.12/292,105.53
  6. Step 6: Final answer
    x = 420,061.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.