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Finding the Fourth Proportional to 582,431.67, 803,532.36 and 361,565.37

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Solution

The fourth proportional to 582,431.67, 803,532.36 and 361,565.37 is: 498,821.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,431.67 : 803,532.36 = 361,565.37 : x
  2. Step 2: Convert to fraction form
    582,431.67/803,532.36 = 361,565.37/x
  3. Step 3: Cross multiply
    582,431.67x = 803,532.36 × 361,565.37
  4. Step 4: Simplify right side
    582,431.67x = 290,529,475,050.37
  5. Step 5: Solve for x
    x = 290,529,475,050.37/582,431.67
  6. Step 6: Final answer
    x = 498,821.56

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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.