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Finding the Fourth Proportional to 374,455.41, 516,748.46 and 204,689.53

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Solution

The fourth proportional to 374,455.41, 516,748.46 and 204,689.53 is: 282,471.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,455.41 : 516,748.46 = 204,689.53 : x
  2. Step 2: Convert to fraction form
    374,455.41/516,748.46 = 204,689.53/x
  3. Step 3: Cross multiply
    374,455.41x = 516,748.46 × 204,689.53
  4. Step 4: Simplify right side
    374,455.41x = 105,773,000,179.49
  5. Step 5: Solve for x
    x = 105,773,000,179.49/374,455.41
  6. Step 6: Final answer
    x = 282,471.55

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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.