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Finding the Fourth Proportional to 582,538.28, 803,851.61 and 324,395.72

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Solution

The fourth proportional to 582,538.28, 803,851.61 and 324,395.72 is: 447,637.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,538.28 : 803,851.61 = 324,395.72 : x
  2. Step 2: Convert to fraction form
    582,538.28/803,851.61 = 324,395.72/x
  3. Step 3: Cross multiply
    582,538.28x = 803,851.61 × 324,395.72
  4. Step 4: Simplify right side
    582,538.28x = 260,766,020,177.13
  5. Step 5: Solve for x
    x = 260,766,020,177.13/582,538.28
  6. Step 6: Final answer
    x = 447,637.57

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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.