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Finding the Fourth Proportional to 374,626.95, 516,984.96 and 204,861.07

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Solution

The fourth proportional to 374,626.95, 516,984.96 and 204,861.07 is: 282,708.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,626.95 : 516,984.96 = 204,861.07 : x
  2. Step 2: Convert to fraction form
    374,626.95/516,984.96 = 204,861.07/x
  3. Step 3: Cross multiply
    374,626.95x = 516,984.96 × 204,861.07
  4. Step 4: Simplify right side
    374,626.95x = 105,910,092,079.51
  5. Step 5: Solve for x
    x = 105,910,092,079.51/374,626.95
  6. Step 6: Final answer
    x = 282,708.15

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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.