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Finding the Fourth Proportional to 475,892.64, 656,726.64 and 261,031.92

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Solution

The fourth proportional to 475,892.64, 656,726.64 and 261,031.92 is: 360,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,892.64 : 656,726.64 = 261,031.92 : x
  2. Step 2: Convert to fraction form
    475,892.64/656,726.64 = 261,031.92/x
  3. Step 3: Cross multiply
    475,892.64x = 656,726.64 × 261,031.92
  4. Step 4: Simplify right side
    475,892.64x = 171,426,615,754.35
  5. Step 5: Solve for x
    x = 171,426,615,754.35/475,892.64
  6. Step 6: Final answer
    x = 360,221.20

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