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Finding the Fourth Proportional to 250,147.64, 344,970.51 and 231,570.29

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Solution

The fourth proportional to 250,147.64, 344,970.51 and 231,570.29 is: 319,351.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,147.64 : 344,970.51 = 231,570.29 : x
  2. Step 2: Convert to fraction form
    250,147.64/344,970.51 = 231,570.29/x
  3. Step 3: Cross multiply
    250,147.64x = 344,970.51 × 231,570.29
  4. Step 4: Simplify right side
    250,147.64x = 79,884,921,042.15
  5. Step 5: Solve for x
    x = 79,884,921,042.15/250,147.64
  6. Step 6: Final answer
    x = 319,351.09

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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.