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Finding the Fourth Proportional to 586,727.52, 809,616.96 and 328,568.58

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Solution

The fourth proportional to 586,727.52, 809,616.96 and 328,568.58 is: 453,387.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,727.52 : 809,616.96 = 328,568.58 : x
  2. Step 2: Convert to fraction form
    586,727.52/809,616.96 = 328,568.58/x
  3. Step 3: Cross multiply
    586,727.52x = 809,616.96 × 328,568.58
  4. Step 4: Simplify right side
    586,727.52x = 266,014,694,891.12
  5. Step 5: Solve for x
    x = 266,014,694,891.12/586,727.52
  6. Step 6: Final answer
    x = 453,387.11

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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.