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Finding the Fourth Proportional to 292,198.50, 437,965.56 and 123,613.74

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Solution

The fourth proportional to 292,198.50, 437,965.56 and 123,613.74 is: 185,280.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,198.50 : 437,965.56 = 123,613.74 : x
  2. Step 2: Convert to fraction form
    292,198.50/437,965.56 = 123,613.74/x
  3. Step 3: Cross multiply
    292,198.50x = 437,965.56 × 123,613.74
  4. Step 4: Simplify right side
    292,198.50x = 54,138,560,862.79
  5. Step 5: Solve for x
    x = 54,138,560,862.79/292,198.50
  6. Step 6: Final answer
    x = 185,280.08

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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.