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Finding the Fourth Proportional to 372,852.80, 558,885.36 and 267,614.72

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Solution

The fourth proportional to 372,852.80, 558,885.36 and 267,614.72 is: 401,139.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,852.80 : 558,885.36 = 267,614.72 : x
  2. Step 2: Convert to fraction form
    372,852.80/558,885.36 = 267,614.72/x
  3. Step 3: Cross multiply
    372,852.80x = 558,885.36 × 267,614.72
  4. Step 4: Simplify right side
    372,852.80x = 149,565,949,128.50
  5. Step 5: Solve for x
    x = 149,565,949,128.50/372,852.80
  6. Step 6: Final answer
    x = 401,139.40

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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.