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Finding the Fourth Proportional to 349,851.38, 524,648.54 and 125,150.90

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Solution

The fourth proportional to 349,851.38, 524,648.54 and 125,150.90 is: 187,680.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,851.38 : 524,648.54 = 125,150.90 : x
  2. Step 2: Convert to fraction form
    349,851.38/524,648.54 = 125,150.90/x
  3. Step 3: Cross multiply
    349,851.38x = 524,648.54 × 125,150.90
  4. Step 4: Simplify right side
    349,851.38x = 65,660,236,964.69
  5. Step 5: Solve for x
    x = 65,660,236,964.69/349,851.38
  6. Step 6: Final answer
    x = 187,680.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.