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Finding the Fourth Proportional to 584,970.60, 876,872.70 and 268,876.20

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Solution

The fourth proportional to 584,970.60, 876,872.70 and 268,876.20 is: 403,046.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,970.60 : 876,872.70 = 268,876.20 : x
  2. Step 2: Convert to fraction form
    584,970.60/876,872.70 = 268,876.20/x
  3. Step 3: Cross multiply
    584,970.60x = 876,872.70 × 268,876.20
  4. Step 4: Simplify right side
    584,970.60x = 235,770,199,459.74
  5. Step 5: Solve for x
    x = 235,770,199,459.74/584,970.60
  6. Step 6: Final answer
    x = 403,046.24

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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.