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Finding the Fourth Proportional to 374,539.47, 516,866.63 and 204,773.59

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Solution

The fourth proportional to 374,539.47, 516,866.63 and 204,773.59 is: 282,588.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,539.47 : 516,866.63 = 204,773.59 : x
  2. Step 2: Convert to fraction form
    374,539.47/516,866.63 = 204,773.59/x
  3. Step 3: Cross multiply
    374,539.47x = 516,866.63 × 204,773.59
  4. Step 4: Simplify right side
    374,539.47x = 105,840,635,376.30
  5. Step 5: Solve for x
    x = 105,840,635,376.30/374,539.47
  6. Step 6: Final answer
    x = 282,588.74

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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.