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Finding the Fourth Proportional to 267,719.76, 369,453.40 and 148,487.76

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Solution

The fourth proportional to 267,719.76, 369,453.40 and 148,487.76 is: 204,913.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,719.76 : 369,453.40 = 148,487.76 : x
  2. Step 2: Convert to fraction form
    267,719.76/369,453.40 = 148,487.76/x
  3. Step 3: Cross multiply
    267,719.76x = 369,453.40 × 148,487.76
  4. Step 4: Simplify right side
    267,719.76x = 54,859,307,790.38
  5. Step 5: Solve for x
    x = 54,859,307,790.38/267,719.76
  6. Step 6: Final answer
    x = 204,913.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.