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Finding the Fourth Proportional to 374,374.38, 516,636.61 and 204,608.50

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Solution

The fourth proportional to 374,374.38, 516,636.61 and 204,608.50 is: 282,359.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,374.38 : 516,636.61 = 204,608.50 : x
  2. Step 2: Convert to fraction form
    374,374.38/516,636.61 = 204,608.50/x
  3. Step 3: Cross multiply
    374,374.38x = 516,636.61 × 204,608.50
  4. Step 4: Simplify right side
    374,374.38x = 105,708,241,817.19
  5. Step 5: Solve for x
    x = 105,708,241,817.19/374,374.38
  6. Step 6: Final answer
    x = 282,359.71

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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.