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Finding the Fourth Proportional to 582,529.52, 804,139.48 and 391,653.60

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Solution

The fourth proportional to 582,529.52, 804,139.48 and 391,653.60 is: 540,649.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,529.52 : 804,139.48 = 391,653.60 : x
  2. Step 2: Convert to fraction form
    582,529.52/804,139.48 = 391,653.60/x
  3. Step 3: Cross multiply
    582,529.52x = 804,139.48 × 391,653.60
  4. Step 4: Simplify right side
    582,529.52x = 314,944,122,244.13
  5. Step 5: Solve for x
    x = 314,944,122,244.13/582,529.52
  6. Step 6: Final answer
    x = 540,649.21

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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.