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Finding the Fourth Proportional to 267,000.76, 400,658.69 and 98,640.24

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Solution

The fourth proportional to 267,000.76, 400,658.69 and 98,640.24 is: 148,018.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,000.76 : 400,658.69 = 98,640.24 : x
  2. Step 2: Convert to fraction form
    267,000.76/400,658.69 = 98,640.24/x
  3. Step 3: Cross multiply
    267,000.76x = 400,658.69 × 98,640.24
  4. Step 4: Simplify right side
    267,000.76x = 39,521,069,339.69
  5. Step 5: Solve for x
    x = 39,521,069,339.69/267,000.76
  6. Step 6: Final answer
    x = 148,018.56

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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.