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Finding the Fourth Proportional to 230,979.92, 316,437.16 and 222,344.90

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Solution

The fourth proportional to 230,979.92, 316,437.16 and 222,344.90 is: 304,607.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,979.92 : 316,437.16 = 222,344.90 : x
  2. Step 2: Convert to fraction form
    230,979.92/316,437.16 = 222,344.90/x
  3. Step 3: Cross multiply
    230,979.92x = 316,437.16 × 222,344.90
  4. Step 4: Simplify right side
    230,979.92x = 70,358,188,696.48
  5. Step 5: Solve for x
    x = 70,358,188,696.48/230,979.92
  6. Step 6: Final answer
    x = 304,607.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.