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Finding the Fourth Proportional to 332,844.80, 498,652.80 and 310,726.40

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Solution

The fourth proportional to 332,844.80, 498,652.80 and 310,726.40 is: 465,516.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,844.80 : 498,652.80 = 310,726.40 : x
  2. Step 2: Convert to fraction form
    332,844.80/498,652.80 = 310,726.40/x
  3. Step 3: Cross multiply
    332,844.80x = 498,652.80 × 310,726.40
  4. Step 4: Simplify right side
    332,844.80x = 154,944,589,393.92
  5. Step 5: Solve for x
    x = 154,944,589,393.92/332,844.80
  6. Step 6: Final answer
    x = 465,516.03

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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.