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Finding the Fourth Proportional to 474,572.72, 654,909.93 and 267,884.63

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Solution

The fourth proportional to 474,572.72, 654,909.93 and 267,884.63 is: 369,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,572.72 : 654,909.93 = 267,884.63 : x
  2. Step 2: Convert to fraction form
    474,572.72/654,909.93 = 267,884.63/x
  3. Step 3: Cross multiply
    474,572.72x = 654,909.93 × 267,884.63
  4. Step 4: Simplify right side
    474,572.72x = 175,440,303,351.04
  5. Step 5: Solve for x
    x = 175,440,303,351.04/474,572.72
  6. Step 6: Final answer
    x = 369,680.55

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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.