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Finding the Fourth Proportional to 295,747.60, 443,038.20 and 177,066.40

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Solution

The fourth proportional to 295,747.60, 443,038.20 and 177,066.40 is: 265,250.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,747.60 : 443,038.20 = 177,066.40 : x
  2. Step 2: Convert to fraction form
    295,747.60/443,038.20 = 177,066.40/x
  3. Step 3: Cross multiply
    295,747.60x = 443,038.20 × 177,066.40
  4. Step 4: Simplify right side
    295,747.60x = 78,447,179,136.48
  5. Step 5: Solve for x
    x = 78,447,179,136.48/295,747.60
  6. Step 6: Final answer
    x = 265,250.43

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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.