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Finding the Fourth Proportional to 538,350.64, 807,527.13 and 505,467.88

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Solution

The fourth proportional to 538,350.64, 807,527.13 and 505,467.88 is: 758,202.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,350.64 : 807,527.13 = 505,467.88 : x
  2. Step 2: Convert to fraction form
    538,350.64/807,527.13 = 505,467.88/x
  3. Step 3: Cross multiply
    538,350.64x = 807,527.13 × 505,467.88
  4. Step 4: Simplify right side
    538,350.64x = 408,179,026,443.58
  5. Step 5: Solve for x
    x = 408,179,026,443.58/538,350.64
  6. Step 6: Final answer
    x = 758,202.92

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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.