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Finding the Fourth Proportional to 295,656.57, 443,493.05 and 85,294.50

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Solution

The fourth proportional to 295,656.57, 443,493.05 and 85,294.50 is: 127,944.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,656.57 : 443,493.05 = 85,294.50 : x
  2. Step 2: Convert to fraction form
    295,656.57/443,493.05 = 85,294.50/x
  3. Step 3: Cross multiply
    295,656.57x = 443,493.05 × 85,294.50
  4. Step 4: Simplify right side
    295,656.57x = 37,827,517,526.75
  5. Step 5: Solve for x
    x = 37,827,517,526.75/295,656.57
  6. Step 6: Final answer
    x = 127,944.11

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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.