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Finding the Fourth Proportional to 474,665.01, 655,354.83 and 281,134.95

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Solution

The fourth proportional to 474,665.01, 655,354.83 and 281,134.95 is: 388,154.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,665.01 : 655,354.83 = 281,134.95 : x
  2. Step 2: Convert to fraction form
    474,665.01/655,354.83 = 281,134.95/x
  3. Step 3: Cross multiply
    474,665.01x = 655,354.83 × 281,134.95
  4. Step 4: Simplify right side
    474,665.01x = 184,243,147,364.31
  5. Step 5: Solve for x
    x = 184,243,147,364.31/474,665.01
  6. Step 6: Final answer
    x = 388,154.05

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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.