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Finding the Fourth Proportional to 582,713.29, 804,158.13 and 324,607.66

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Solution

The fourth proportional to 582,713.29, 804,158.13 and 324,607.66 is: 447,966.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,713.29 : 804,158.13 = 324,607.66 : x
  2. Step 2: Convert to fraction form
    582,713.29/804,158.13 = 324,607.66/x
  3. Step 3: Cross multiply
    582,713.29x = 804,158.13 × 324,607.66
  4. Step 4: Simplify right side
    582,713.29x = 261,035,888,849.28
  5. Step 5: Solve for x
    x = 261,035,888,849.28/582,713.29
  6. Step 6: Final answer
    x = 447,966.25

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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.