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Finding the Fourth Proportional to 483,790.60, 725,426.70 and 202,990.60

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Solution

The fourth proportional to 483,790.60, 725,426.70 and 202,990.60 is: 304,377.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,790.60 : 725,426.70 = 202,990.60 : x
  2. Step 2: Convert to fraction form
    483,790.60/725,426.70 = 202,990.60/x
  3. Step 3: Cross multiply
    483,790.60x = 725,426.70 × 202,990.60
  4. Step 4: Simplify right side
    483,790.60x = 147,254,801,089.02
  5. Step 5: Solve for x
    x = 147,254,801,089.02/483,790.60
  6. Step 6: Final answer
    x = 304,377.14

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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.