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Finding the Fourth Proportional to 474,154.56, 654,312.42 and 270,249.66

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Solution

The fourth proportional to 474,154.56, 654,312.42 and 270,249.66 is: 372,932.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,154.56 : 654,312.42 = 270,249.66 : x
  2. Step 2: Convert to fraction form
    474,154.56/654,312.42 = 270,249.66/x
  3. Step 3: Cross multiply
    474,154.56x = 654,312.42 × 270,249.66
  4. Step 4: Simplify right side
    474,154.56x = 176,827,709,038.78
  5. Step 5: Solve for x
    x = 176,827,709,038.78/474,154.56
  6. Step 6: Final answer
    x = 372,932.63

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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.