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Finding the Fourth Proportional to 253,630.38, 350,020.92 and 140,453.13

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Solution

The fourth proportional to 253,630.38, 350,020.92 and 140,453.13 is: 193,831.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,630.38 : 350,020.92 = 140,453.13 : x
  2. Step 2: Convert to fraction form
    253,630.38/350,020.92 = 140,453.13/x
  3. Step 3: Cross multiply
    253,630.38x = 350,020.92 × 140,453.13
  4. Step 4: Simplify right side
    253,630.38x = 49,161,533,779.48
  5. Step 5: Solve for x
    x = 49,161,533,779.48/253,630.38
  6. Step 6: Final answer
    x = 193,831.41

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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.