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Finding the Fourth Proportional to 295,639.38, 443,569.29 and 177,395.58

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Solution

The fourth proportional to 295,639.38, 443,569.29 and 177,395.58 is: 266,159.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,639.38 : 443,569.29 = 177,395.58 : x
  2. Step 2: Convert to fraction form
    295,639.38/443,569.29 = 177,395.58/x
  3. Step 3: Cross multiply
    295,639.38x = 443,569.29 × 177,395.58
  4. Step 4: Simplify right side
    295,639.38x = 78,687,231,469.74
  5. Step 5: Solve for x
    x = 78,687,231,469.74/295,639.38
  6. Step 6: Final answer
    x = 266,159.51

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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.