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Finding the Fourth Proportional to 584,940.90, 876,099.15 and 479,964.90

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Solution

The fourth proportional to 584,940.90, 876,099.15 and 479,964.90 is: 718,870.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,940.90 : 876,099.15 = 479,964.90 : x
  2. Step 2: Convert to fraction form
    584,940.90/876,099.15 = 479,964.90/x
  3. Step 3: Cross multiply
    584,940.90x = 876,099.15 × 479,964.90
  4. Step 4: Simplify right side
    584,940.90x = 420,496,840,919.84
  5. Step 5: Solve for x
    x = 420,496,840,919.84/584,940.90
  6. Step 6: Final answer
    x = 718,870.64

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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.