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Finding the Fourth Proportional to 474,804.06, 655,123.88 and 281,115.14

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Solution

The fourth proportional to 474,804.06, 655,123.88 and 281,115.14 is: 387,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,804.06 : 655,123.88 = 281,115.14 : x
  2. Step 2: Convert to fraction form
    474,804.06/655,123.88 = 281,115.14/x
  3. Step 3: Cross multiply
    474,804.06x = 655,123.88 × 281,115.14
  4. Step 4: Simplify right side
    474,804.06x = 184,165,241,243.54
  5. Step 5: Solve for x
    x = 184,165,241,243.54/474,804.06
  6. Step 6: Final answer
    x = 387,876.30

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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.