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Finding the Fourth Proportional to 332,340.20, 498,510.30 and 310,032.80

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Solution

The fourth proportional to 332,340.20, 498,510.30 and 310,032.80 is: 465,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,340.20 : 498,510.30 = 310,032.80 : x
  2. Step 2: Convert to fraction form
    332,340.20/498,510.30 = 310,032.80/x
  3. Step 3: Cross multiply
    332,340.20x = 498,510.30 × 310,032.80
  4. Step 4: Simplify right side
    332,340.20x = 154,554,544,137.84
  5. Step 5: Solve for x
    x = 154,554,544,137.84/332,340.20
  6. Step 6: Final answer
    x = 465,049.20

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1.5x scale

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.