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Finding the Fourth Proportional to 474,134.69, 654,285.04 and 270,229.74

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Solution

The fourth proportional to 474,134.69, 654,285.04 and 270,229.74 is: 372,905.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,134.69 : 654,285.04 = 270,229.74 : x
  2. Step 2: Convert to fraction form
    474,134.69/654,285.04 = 270,229.74/x
  3. Step 3: Cross multiply
    474,134.69x = 654,285.04 × 270,229.74
  4. Step 4: Simplify right side
    474,134.69x = 176,807,275,569.52
  5. Step 5: Solve for x
    x = 176,807,275,569.52/474,134.69
  6. Step 6: Final answer
    x = 372,905.17

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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.