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Finding the Fourth Proportional to 582,644.28, 804,070.82 and 321,010.22

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Solution

The fourth proportional to 582,644.28, 804,070.82 and 321,010.22 is: 443,006.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,644.28 : 804,070.82 = 321,010.22 : x
  2. Step 2: Convert to fraction form
    582,644.28/804,070.82 = 321,010.22/x
  3. Step 3: Cross multiply
    582,644.28x = 804,070.82 × 321,010.22
  4. Step 4: Simplify right side
    582,644.28x = 258,114,950,823.78
  5. Step 5: Solve for x
    x = 258,114,950,823.78/582,644.28
  6. Step 6: Final answer
    x = 443,006.07

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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.