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Finding the Fourth Proportional to 335,729.76, 502,920.09 and 166,738.92

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Solution

The fourth proportional to 335,729.76, 502,920.09 and 166,738.92 is: 249,773.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,729.76 : 502,920.09 = 166,738.92 : x
  2. Step 2: Convert to fraction form
    335,729.76/502,920.09 = 166,738.92/x
  3. Step 3: Cross multiply
    335,729.76x = 502,920.09 × 166,738.92
  4. Step 4: Simplify right side
    335,729.76x = 83,856,352,652.90
  5. Step 5: Solve for x
    x = 83,856,352,652.90/335,729.76
  6. Step 6: Final answer
    x = 249,773.37

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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.