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Finding the Fourth Proportional to 374,461.38, 516,754.08 and 204,695.91

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Solution

The fourth proportional to 374,461.38, 516,754.08 and 204,695.91 is: 282,478.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,461.38 : 516,754.08 = 204,695.91 : x
  2. Step 2: Convert to fraction form
    374,461.38/516,754.08 = 204,695.91/x
  3. Step 3: Cross multiply
    374,461.38x = 516,754.08 × 204,695.91
  4. Step 4: Simplify right side
    374,461.38x = 105,777,446,651.81
  5. Step 5: Solve for x
    x = 105,777,446,651.81/374,461.38
  6. Step 6: Final answer
    x = 282,478.92

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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.