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Finding the Fourth Proportional to 576,812.60, 864,873.30 and 296,876.60

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Solution

The fourth proportional to 576,812.60, 864,873.30 and 296,876.60 is: 445,137.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,812.60 : 864,873.30 = 296,876.60 : x
  2. Step 2: Convert to fraction form
    576,812.60/864,873.30 = 296,876.60/x
  3. Step 3: Cross multiply
    576,812.60x = 864,873.30 × 296,876.60
  4. Step 4: Simplify right side
    576,812.60x = 256,760,644,734.78
  5. Step 5: Solve for x
    x = 256,760,644,734.78/576,812.60
  6. Step 6: Final answer
    x = 445,137.02

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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.