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Finding the Fourth Proportional to 586,118.65, 878,172.56 and 393,632.28

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Solution

The fourth proportional to 586,118.65, 878,172.56 and 393,632.28 is: 589,773.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,118.65 : 878,172.56 = 393,632.28 : x
  2. Step 2: Convert to fraction form
    586,118.65/878,172.56 = 393,632.28/x
  3. Step 3: Cross multiply
    586,118.65x = 878,172.56 × 393,632.28
  4. Step 4: Simplify right side
    586,118.65x = 345,677,067,026.24
  5. Step 5: Solve for x
    x = 345,677,067,026.24/586,118.65
  6. Step 6: Final answer
    x = 589,773.19

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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.