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Finding the Fourth Proportional to 267,322.05, 400,857.53 and 155,034.18

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Solution

The fourth proportional to 267,322.05, 400,857.53 and 155,034.18 is: 232,478.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,322.05 : 400,857.53 = 155,034.18 : x
  2. Step 2: Convert to fraction form
    267,322.05/400,857.53 = 155,034.18/x
  3. Step 3: Cross multiply
    267,322.05x = 400,857.53 × 155,034.18
  4. Step 4: Simplify right side
    267,322.05x = 62,146,617,685.20
  5. Step 5: Solve for x
    x = 62,146,617,685.20/267,322.05
  6. Step 6: Final answer
    x = 232,478.46

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1.5x scale

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.