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Finding the Fourth Proportional to 622,246.60, 932,713.80 and 243,020.80

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Solution

The fourth proportional to 622,246.60, 932,713.80 and 243,020.80 is: 364,274.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,246.60 : 932,713.80 = 243,020.80 : x
  2. Step 2: Convert to fraction form
    622,246.60/932,713.80 = 243,020.80/x
  3. Step 3: Cross multiply
    622,246.60x = 932,713.80 × 243,020.80
  4. Step 4: Simplify right side
    622,246.60x = 226,668,853,847.04
  5. Step 5: Solve for x
    x = 226,668,853,847.04/622,246.60
  6. Step 6: Final answer
    x = 364,274.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.