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Finding the Fourth Proportional to 582,335.90, 873,208.45 and 266,522.30

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Solution

The fourth proportional to 582,335.90, 873,208.45 and 266,522.30 is: 399,648.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,335.90 : 873,208.45 = 266,522.30 : x
  2. Step 2: Convert to fraction form
    582,335.90/873,208.45 = 266,522.30/x
  3. Step 3: Cross multiply
    582,335.90x = 873,208.45 × 266,522.30
  4. Step 4: Simplify right side
    582,335.90x = 232,729,524,473.44
  5. Step 5: Solve for x
    x = 232,729,524,473.44/582,335.90
  6. Step 6: Final answer
    x = 399,648.25

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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.