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Finding the Fourth Proportional to 582,718.32, 804,165.03 and 324,612.63

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Solution

The fourth proportional to 582,718.32, 804,165.03 and 324,612.63 is: 447,973.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,718.32 : 804,165.03 = 324,612.63 : x
  2. Step 2: Convert to fraction form
    582,718.32/804,165.03 = 324,612.63/x
  3. Step 3: Cross multiply
    582,718.32x = 804,165.03 × 324,612.63
  4. Step 4: Simplify right side
    582,718.32x = 261,042,125,342.33
  5. Step 5: Solve for x
    x = 261,042,125,342.33/582,718.32
  6. Step 6: Final answer
    x = 447,973.09

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Double scale
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Similar ratio
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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.