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Finding the Fourth Proportional to 253,778.97, 350,191.70 and 146,328.24

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Solution

The fourth proportional to 253,778.97, 350,191.70 and 146,328.24 is: 201,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,778.97 : 350,191.70 = 146,328.24 : x
  2. Step 2: Convert to fraction form
    253,778.97/350,191.70 = 146,328.24/x
  3. Step 3: Cross multiply
    253,778.97x = 350,191.70 × 146,328.24
  4. Step 4: Simplify right side
    253,778.97x = 51,242,934,391.97
  5. Step 5: Solve for x
    x = 51,242,934,391.97/253,778.97
  6. Step 6: Final answer
    x = 201,919.55

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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.