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Finding the Fourth Proportional to 582,991.92, 872,512.62 and 358,494.54

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Solution

The fourth proportional to 582,991.92, 872,512.62 and 358,494.54 is: 536,527.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,991.92 : 872,512.62 = 358,494.54 : x
  2. Step 2: Convert to fraction form
    582,991.92/872,512.62 = 358,494.54/x
  3. Step 3: Cross multiply
    582,991.92x = 872,512.62 × 358,494.54
  4. Step 4: Simplify right side
    582,991.92x = 312,791,010,351.10
  5. Step 5: Solve for x
    x = 312,791,010,351.10/582,991.92
  6. Step 6: Final answer
    x = 536,527.18

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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.