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Finding the Fourth Proportional to 253,617.67, 350,003.28 and 140,440.42

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Solution

The fourth proportional to 253,617.67, 350,003.28 and 140,440.42 is: 193,813.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,617.67 : 350,003.28 = 140,440.42 : x
  2. Step 2: Convert to fraction form
    253,617.67/350,003.28 = 140,440.42/x
  3. Step 3: Cross multiply
    253,617.67x = 350,003.28 × 140,440.42
  4. Step 4: Simplify right side
    253,617.67x = 49,154,607,644.58
  5. Step 5: Solve for x
    x = 49,154,607,644.58/253,617.67
  6. Step 6: Final answer
    x = 193,813.81

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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.