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Finding the Fourth Proportional to 431,164.32, 595,020.24 and 247,436.46

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Solution

The fourth proportional to 431,164.32, 595,020.24 and 247,436.46 is: 341,470.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,164.32 : 595,020.24 = 247,436.46 : x
  2. Step 2: Convert to fraction form
    431,164.32/595,020.24 = 247,436.46/x
  3. Step 3: Cross multiply
    431,164.32x = 595,020.24 × 247,436.46
  4. Step 4: Simplify right side
    431,164.32x = 147,229,701,813.95
  5. Step 5: Solve for x
    x = 147,229,701,813.95/431,164.32
  6. Step 6: Final answer
    x = 341,470.05

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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.