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Finding the Fourth Proportional to 582,538.03, 803,851.23 and 324,395.47

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Solution

The fourth proportional to 582,538.03, 803,851.23 and 324,395.47 is: 447,637.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,538.03 : 803,851.23 = 324,395.47 : x
  2. Step 2: Convert to fraction form
    582,538.03/803,851.23 = 324,395.47/x
  3. Step 3: Cross multiply
    582,538.03x = 803,851.23 × 324,395.47
  4. Step 4: Simplify right side
    582,538.03x = 260,765,697,565.93
  5. Step 5: Solve for x
    x = 260,765,697,565.93/582,538.03
  6. Step 6: Final answer
    x = 447,637.21

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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.