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Finding the Fourth Proportional to 582,432.05, 803,532.89 and 361,565.74

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Solution

The fourth proportional to 582,432.05, 803,532.89 and 361,565.74 is: 498,822.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,432.05 : 803,532.89 = 361,565.74 : x
  2. Step 2: Convert to fraction form
    582,432.05/803,532.89 = 361,565.74/x
  3. Step 3: Cross multiply
    582,432.05x = 803,532.89 × 361,565.74
  4. Step 4: Simplify right side
    582,432.05x = 290,529,965,895.52
  5. Step 5: Solve for x
    x = 290,529,965,895.52/582,432.05
  6. Step 6: Final answer
    x = 498,822.08

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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.