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Finding the Fourth Proportional to 586,929.31, 880,694.20 and 279,529.28

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Solution

The fourth proportional to 586,929.31, 880,694.20 and 279,529.28 is: 419,436.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,929.31 : 880,694.20 = 279,529.28 : x
  2. Step 2: Convert to fraction form
    586,929.31/880,694.20 = 279,529.28/x
  3. Step 3: Cross multiply
    586,929.31x = 880,694.20 × 279,529.28
  4. Step 4: Simplify right side
    586,929.31x = 246,179,814,874.72
  5. Step 5: Solve for x
    x = 246,179,814,874.72/586,929.31
  6. Step 6: Final answer
    x = 419,436.91

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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.