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Finding the Fourth Proportional to 267,215.38, 368,753.52 and 146,356.63

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Solution

The fourth proportional to 267,215.38, 368,753.52 and 146,356.63 is: 201,970.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,215.38 : 368,753.52 = 146,356.63 : x
  2. Step 2: Convert to fraction form
    267,215.38/368,753.52 = 146,356.63/x
  3. Step 3: Cross multiply
    267,215.38x = 368,753.52 × 146,356.63
  4. Step 4: Simplify right side
    267,215.38x = 53,969,522,487.84
  5. Step 5: Solve for x
    x = 53,969,522,487.84/267,215.38
  6. Step 6: Final answer
    x = 201,970.12

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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.