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Finding the Fourth Proportional to 582,982.80, 804,497.31 and 356,628.30

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Solution

The fourth proportional to 582,982.80, 804,497.31 and 356,628.30 is: 492,135.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,982.80 : 804,497.31 = 356,628.30 : x
  2. Step 2: Convert to fraction form
    582,982.80/804,497.31 = 356,628.30/x
  3. Step 3: Cross multiply
    582,982.80x = 804,497.31 × 356,628.30
  4. Step 4: Simplify right side
    582,982.80x = 286,906,508,019.87
  5. Step 5: Solve for x
    x = 286,906,508,019.87/582,982.80
  6. Step 6: Final answer
    x = 492,135.46

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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.