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Finding the Fourth Proportional to 500,471.20, 750,708.24 and 251,094.88

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Solution

The fourth proportional to 500,471.20, 750,708.24 and 251,094.88 is: 376,643.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,471.20 : 750,708.24 = 251,094.88 : x
  2. Step 2: Convert to fraction form
    500,471.20/750,708.24 = 251,094.88/x
  3. Step 3: Cross multiply
    500,471.20x = 750,708.24 × 251,094.88
  4. Step 4: Simplify right side
    500,471.20x = 188,498,995,437.81
  5. Step 5: Solve for x
    x = 188,498,995,437.81/500,471.20
  6. Step 6: Final answer
    x = 376,643.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.