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Finding the Fourth Proportional to 374,818.56, 517,564.80 and 267,717.12

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Solution

The fourth proportional to 374,818.56, 517,564.80 and 267,717.12 is: 369,674.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,818.56 : 517,564.80 = 267,717.12 : x
  2. Step 2: Convert to fraction form
    374,818.56/517,564.80 = 267,717.12/x
  3. Step 3: Cross multiply
    374,818.56x = 517,564.80 × 267,717.12
  4. Step 4: Simplify right side
    374,818.56x = 138,560,957,669.38
  5. Step 5: Solve for x
    x = 138,560,957,669.38/374,818.56
  6. Step 6: Final answer
    x = 369,674.75

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1.5x scale

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.