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Finding the Fourth Proportional to 582,998.80, 804,565.56 and 353,563.60

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Solution

The fourth proportional to 582,998.80, 804,565.56 and 353,563.60 is: 487,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,998.80 : 804,565.56 = 353,563.60 : x
  2. Step 2: Convert to fraction form
    582,998.80/804,565.56 = 353,563.60/x
  3. Step 3: Cross multiply
    582,998.80x = 804,565.56 × 353,563.60
  4. Step 4: Simplify right side
    582,998.80x = 284,465,095,829.62
  5. Step 5: Solve for x
    x = 284,465,095,829.62/582,998.80
  6. Step 6: Final answer
    x = 487,934.27

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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.