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Finding the Fourth Proportional to 253,842.17, 350,290.17 and 151,923.78

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Solution

The fourth proportional to 253,842.17, 350,290.17 and 151,923.78 is: 209,647.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,842.17 : 350,290.17 = 151,923.78 : x
  2. Step 2: Convert to fraction form
    253,842.17/350,290.17 = 151,923.78/x
  3. Step 3: Cross multiply
    253,842.17x = 350,290.17 × 151,923.78
  4. Step 4: Simplify right side
    253,842.17x = 53,217,406,723.24
  5. Step 5: Solve for x
    x = 53,217,406,723.24/253,842.17
  6. Step 6: Final answer
    x = 209,647.62

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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.