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Finding the Fourth Proportional to 582,991.93, 872,512.76 and 358,494.56

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Solution

The fourth proportional to 582,991.93, 872,512.76 and 358,494.56 is: 536,527.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,991.93 : 872,512.76 = 358,494.56 : x
  2. Step 2: Convert to fraction form
    582,991.93/872,512.76 = 358,494.56/x
  3. Step 3: Cross multiply
    582,991.93x = 872,512.76 × 358,494.56
  4. Step 4: Simplify right side
    582,991.93x = 312,791,077,796.18
  5. Step 5: Solve for x
    x = 312,791,077,796.18/582,991.93
  6. Step 6: Final answer
    x = 536,527.28

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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.