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Finding the Fourth Proportional to 451,359.72, 676,327.26 and 166,658.28

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Solution

The fourth proportional to 451,359.72, 676,327.26 and 166,658.28 is: 249,724.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,359.72 : 676,327.26 = 166,658.28 : x
  2. Step 2: Convert to fraction form
    451,359.72/676,327.26 = 166,658.28/x
  3. Step 3: Cross multiply
    451,359.72x = 676,327.26 × 166,658.28
  4. Step 4: Simplify right side
    451,359.72x = 112,715,537,868.71
  5. Step 5: Solve for x
    x = 112,715,537,868.71/451,359.72
  6. Step 6: Final answer
    x = 249,724.41

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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.