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Finding the Fourth Proportional to 363,909.98, 502,189.08 and 202,761.56

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Solution

The fourth proportional to 363,909.98, 502,189.08 and 202,761.56 is: 279,807.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,909.98 : 502,189.08 = 202,761.56 : x
  2. Step 2: Convert to fraction form
    363,909.98/502,189.08 = 202,761.56/x
  3. Step 3: Cross multiply
    363,909.98x = 502,189.08 × 202,761.56
  4. Step 4: Simplify right side
    363,909.98x = 101,824,641,275.77
  5. Step 5: Solve for x
    x = 101,824,641,275.77/363,909.98
  6. Step 6: Final answer
    x = 279,807.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.