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Finding the Fourth Proportional to 582,491.76, 803,731.32 and 327,788.88

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Solution

The fourth proportional to 582,491.76, 803,731.32 and 327,788.88 is: 452,288.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,491.76 : 803,731.32 = 327,788.88 : x
  2. Step 2: Convert to fraction form
    582,491.76/803,731.32 = 327,788.88/x
  3. Step 3: Cross multiply
    582,491.76x = 803,731.32 × 327,788.88
  4. Step 4: Simplify right side
    582,491.76x = 263,454,189,203.72
  5. Step 5: Solve for x
    x = 263,454,189,203.72/582,491.76
  6. Step 6: Final answer
    x = 452,288.27

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1.5x scale

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.