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Finding the Fourth Proportional to 582,539.03, 803,852.61 and 324,396.47

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Solution

The fourth proportional to 582,539.03, 803,852.61 and 324,396.47 is: 447,638.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,539.03 : 803,852.61 = 324,396.47 : x
  2. Step 2: Convert to fraction form
    582,539.03/803,852.61 = 324,396.47/x
  3. Step 3: Cross multiply
    582,539.03x = 803,852.61 × 324,396.47
  4. Step 4: Simplify right side
    582,539.03x = 260,766,949,084.29
  5. Step 5: Solve for x
    x = 260,766,949,084.29/582,539.03
  6. Step 6: Final answer
    x = 447,638.59

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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.