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Finding the Fourth Proportional to 582,342.30, 803,562.30 and 324,157.14

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Solution

The fourth proportional to 582,342.30, 803,562.30 and 324,157.14 is: 447,297.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,342.30 : 803,562.30 = 324,157.14 : x
  2. Step 2: Convert to fraction form
    582,342.30/803,562.30 = 324,157.14/x
  3. Step 3: Cross multiply
    582,342.30x = 803,562.30 × 324,157.14
  4. Step 4: Simplify right side
    582,342.30x = 260,480,456,979.82
  5. Step 5: Solve for x
    x = 260,480,456,979.82/582,342.30
  6. Step 6: Final answer
    x = 447,297.85

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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.