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Finding the Fourth Proportional to 585,007.78, 807,296.24 and 326,868.88

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Solution

The fourth proportional to 585,007.78, 807,296.24 and 326,868.88 is: 451,070.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,007.78 : 807,296.24 = 326,868.88 : x
  2. Step 2: Convert to fraction form
    585,007.78/807,296.24 = 326,868.88/x
  3. Step 3: Cross multiply
    585,007.78x = 807,296.24 × 326,868.88
  4. Step 4: Simplify right side
    585,007.78x = 263,880,013,760.53
  5. Step 5: Solve for x
    x = 263,880,013,760.53/585,007.78
  6. Step 6: Final answer
    x = 451,070.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.