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Finding the Fourth Proportional to 655,199.48, 982,762.25 and 290,356.02

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Solution

The fourth proportional to 655,199.48, 982,762.25 and 290,356.02 is: 435,517.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,199.48 : 982,762.25 = 290,356.02 : x
  2. Step 2: Convert to fraction form
    655,199.48/982,762.25 = 290,356.02/x
  3. Step 3: Cross multiply
    655,199.48x = 982,762.25 × 290,356.02
  4. Step 4: Simplify right side
    655,199.48x = 285,350,934,064.47
  5. Step 5: Solve for x
    x = 285,350,934,064.47/655,199.48
  6. Step 6: Final answer
    x = 435,517.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.