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Finding the Fourth Proportional to 483,720.60, 725,321.70 and 202,920.60

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Solution

The fourth proportional to 483,720.60, 725,321.70 and 202,920.60 is: 304,272.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,720.60 : 725,321.70 = 202,920.60 : x
  2. Step 2: Convert to fraction form
    483,720.60/725,321.70 = 202,920.60/x
  3. Step 3: Cross multiply
    483,720.60x = 725,321.70 × 202,920.60
  4. Step 4: Simplify right side
    483,720.60x = 147,182,714,557.02
  5. Step 5: Solve for x
    x = 147,182,714,557.02/483,720.60
  6. Step 6: Final answer
    x = 304,272.17

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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.