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Finding the Fourth Proportional to 431,295.32, 595,189.98 and 250,114.82

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Solution

The fourth proportional to 431,295.32, 595,189.98 and 250,114.82 is: 345,159.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,295.32 : 595,189.98 = 250,114.82 : x
  2. Step 2: Convert to fraction form
    431,295.32/595,189.98 = 250,114.82/x
  3. Step 3: Cross multiply
    431,295.32x = 595,189.98 × 250,114.82
  4. Step 4: Simplify right side
    431,295.32x = 148,865,836,201.48
  5. Step 5: Solve for x
    x = 148,865,836,201.48/431,295.32
  6. Step 6: Final answer
    x = 345,159.87

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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.