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Finding the Fourth Proportional to 582,747.76, 804,142.92 and 356,349.52

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Solution

The fourth proportional to 582,747.76, 804,142.92 and 356,349.52 is: 491,732.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,747.76 : 804,142.92 = 356,349.52 : x
  2. Step 2: Convert to fraction form
    582,747.76/804,142.92 = 356,349.52/x
  3. Step 3: Cross multiply
    582,747.76x = 804,142.92 × 356,349.52
  4. Step 4: Simplify right side
    582,747.76x = 286,555,943,553.40
  5. Step 5: Solve for x
    x = 286,555,943,553.40/582,747.76
  6. Step 6: Final answer
    x = 491,732.38

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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.