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Finding the Fourth Proportional to 253,890.38, 350,356.56 and 146,494.88

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Solution

The fourth proportional to 253,890.38, 350,356.56 and 146,494.88 is: 202,155.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,890.38 : 350,356.56 = 146,494.88 : x
  2. Step 2: Convert to fraction form
    253,890.38/350,356.56 = 146,494.88/x
  3. Step 3: Cross multiply
    253,890.38x = 350,356.56 × 146,494.88
  4. Step 4: Simplify right side
    253,890.38x = 51,325,442,214.41
  5. Step 5: Solve for x
    x = 51,325,442,214.41/253,890.38
  6. Step 6: Final answer
    x = 202,155.92

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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.