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Finding the Fourth Proportional to 558,716.88, 771,014.52 and 304,062.60

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Solution

The fourth proportional to 558,716.88, 771,014.52 and 304,062.60 is: 419,598.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,716.88 : 771,014.52 = 304,062.60 : x
  2. Step 2: Convert to fraction form
    558,716.88/771,014.52 = 304,062.60/x
  3. Step 3: Cross multiply
    558,716.88x = 771,014.52 × 304,062.60
  4. Step 4: Simplify right side
    558,716.88x = 234,436,679,588.95
  5. Step 5: Solve for x
    x = 234,436,679,588.95/558,716.88
  6. Step 6: Final answer
    x = 419,598.35

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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.