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Finding the Fourth Proportional to 252,777.78, 348,900.57 and 157,230.18

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Solution

The fourth proportional to 252,777.78, 348,900.57 and 157,230.18 is: 217,019.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,777.78 : 348,900.57 = 157,230.18 : x
  2. Step 2: Convert to fraction form
    252,777.78/348,900.57 = 157,230.18/x
  3. Step 3: Cross multiply
    252,777.78x = 348,900.57 × 157,230.18
  4. Step 4: Simplify right side
    252,777.78x = 54,857,699,423.20
  5. Step 5: Solve for x
    x = 54,857,699,423.20/252,777.78
  6. Step 6: Final answer
    x = 217,019.47

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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.