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Finding the Fourth Proportional to 374,851.70, 516,757.30 and 267,234.90

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Solution

The fourth proportional to 374,851.70, 516,757.30 and 267,234.90 is: 368,400.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,851.70 : 516,757.30 = 267,234.90 : x
  2. Step 2: Convert to fraction form
    374,851.70/516,757.30 = 267,234.90/x
  3. Step 3: Cross multiply
    374,851.70x = 516,757.30 × 267,234.90
  4. Step 4: Simplify right side
    374,851.70x = 138,095,585,389.77
  5. Step 5: Solve for x
    x = 138,095,585,389.77/374,851.70
  6. Step 6: Final answer
    x = 368,400.58

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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.