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Finding the Fourth Proportional to 431,339.96, 595,251.51 and 250,159.31

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Solution

The fourth proportional to 431,339.96, 595,251.51 and 250,159.31 is: 345,221.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,339.96 : 595,251.51 = 250,159.31 : x
  2. Step 2: Convert to fraction form
    431,339.96/595,251.51 = 250,159.31/x
  3. Step 3: Cross multiply
    431,339.96x = 595,251.51 × 250,159.31
  4. Step 4: Simplify right side
    431,339.96x = 148,907,707,713.61
  5. Step 5: Solve for x
    x = 148,907,707,713.61/431,339.96
  6. Step 6: Final answer
    x = 345,221.22

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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.