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Finding the Fourth Proportional to 498,573.72, 747,840.96 and 166,149.72

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Solution

The fourth proportional to 498,573.72, 747,840.96 and 166,149.72 is: 249,218.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,573.72 : 747,840.96 = 166,149.72 : x
  2. Step 2: Convert to fraction form
    498,573.72/747,840.96 = 166,149.72/x
  3. Step 3: Cross multiply
    498,573.72x = 747,840.96 × 166,149.72
  4. Step 4: Simplify right side
    498,573.72x = 124,253,566,108.53
  5. Step 5: Solve for x
    x = 124,253,566,108.53/498,573.72
  6. Step 6: Final answer
    x = 249,218.04

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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.