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Finding the Fourth Proportional to 454,567.96, 681,861.54 and 117,615.80

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Solution

The fourth proportional to 454,567.96, 681,861.54 and 117,615.80 is: 176,426.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,567.96 : 681,861.54 = 117,615.80 : x
  2. Step 2: Convert to fraction form
    454,567.96/681,861.54 = 117,615.80/x
  3. Step 3: Cross multiply
    454,567.96x = 681,861.54 × 117,615.80
  4. Step 4: Simplify right side
    454,567.96x = 80,197,690,516.33
  5. Step 5: Solve for x
    x = 80,197,690,516.33/454,567.96
  6. Step 6: Final answer
    x = 176,426.18

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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.