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Finding the Fourth Proportional to 364,424.76, 502,906.92 and 203,275.62

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Solution

The fourth proportional to 364,424.76, 502,906.92 and 203,275.62 is: 280,520.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,424.76 : 502,906.92 = 203,275.62 : x
  2. Step 2: Convert to fraction form
    364,424.76/502,906.92 = 203,275.62/x
  3. Step 3: Cross multiply
    364,424.76x = 502,906.92 × 203,275.62
  4. Step 4: Simplify right side
    364,424.76x = 102,228,715,965.29
  5. Step 5: Solve for x
    x = 102,228,715,965.29/364,424.76
  6. Step 6: Final answer
    x = 280,520.77

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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.