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Finding the Fourth Proportional to 583,915.80, 876,003.30 and 268,296.60

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Solution

The fourth proportional to 583,915.80, 876,003.30 and 268,296.60 is: 402,504.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,915.80 : 876,003.30 = 268,296.60 : x
  2. Step 2: Convert to fraction form
    583,915.80/876,003.30 = 268,296.60/x
  3. Step 3: Cross multiply
    583,915.80x = 876,003.30 × 268,296.60
  4. Step 4: Simplify right side
    583,915.80x = 235,028,706,978.78
  5. Step 5: Solve for x
    x = 235,028,706,978.78/583,915.80
  6. Step 6: Final answer
    x = 402,504.45

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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.