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Finding the Fourth Proportional to 386,160.10, 532,901.10 and 235,257.10

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Solution

The fourth proportional to 386,160.10, 532,901.10 and 235,257.10 is: 324,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,160.10 : 532,901.10 = 235,257.10 : x
  2. Step 2: Convert to fraction form
    386,160.10/532,901.10 = 235,257.10/x
  3. Step 3: Cross multiply
    386,160.10x = 532,901.10 × 235,257.10
  4. Step 4: Simplify right side
    386,160.10x = 125,368,767,372.81
  5. Step 5: Solve for x
    x = 125,368,767,372.81/386,160.10
  6. Step 6: Final answer
    x = 324,654.90

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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.