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Finding the Fourth Proportional to 270,569.60, 373,534.88 and 202,561.92

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Solution

The fourth proportional to 270,569.60, 373,534.88 and 202,561.92 is: 279,646.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,569.60 : 373,534.88 = 202,561.92 : x
  2. Step 2: Convert to fraction form
    270,569.60/373,534.88 = 202,561.92/x
  3. Step 3: Cross multiply
    270,569.60x = 373,534.88 × 202,561.92
  4. Step 4: Simplify right side
    270,569.60x = 75,663,942,479.77
  5. Step 5: Solve for x
    x = 75,663,942,479.77/270,569.60
  6. Step 6: Final answer
    x = 279,646.87

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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.