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Finding the Fourth Proportional to 581,149.92, 801,994.52 and 351,704.48

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Solution

The fourth proportional to 581,149.92, 801,994.52 and 351,704.48 is: 485,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,149.92 : 801,994.52 = 351,704.48 : x
  2. Step 2: Convert to fraction form
    581,149.92/801,994.52 = 351,704.48/x
  3. Step 3: Cross multiply
    581,149.92x = 801,994.52 × 351,704.48
  4. Step 4: Simplify right side
    581,149.92x = 282,065,065,619.45
  5. Step 5: Solve for x
    x = 282,065,065,619.45/581,149.92
  6. Step 6: Final answer
    x = 485,356.80

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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.