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Finding the Fourth Proportional to 267,832.26, 369,663.21 and 154,639.62

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Solution

The fourth proportional to 267,832.26, 369,663.21 and 154,639.62 is: 213,434.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,832.26 : 369,663.21 = 154,639.62 : x
  2. Step 2: Convert to fraction form
    267,832.26/369,663.21 = 154,639.62/x
  3. Step 3: Cross multiply
    267,832.26x = 369,663.21 × 154,639.62
  4. Step 4: Simplify right side
    267,832.26x = 57,164,578,322.38
  5. Step 5: Solve for x
    x = 57,164,578,322.38/267,832.26
  6. Step 6: Final answer
    x = 213,434.25

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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.