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Finding the Fourth Proportional to 332,292.80, 498,439.20 and 308,673.20

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Solution

The fourth proportional to 332,292.80, 498,439.20 and 308,673.20 is: 463,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,292.80 : 498,439.20 = 308,673.20 : x
  2. Step 2: Convert to fraction form
    332,292.80/498,439.20 = 308,673.20/x
  3. Step 3: Cross multiply
    332,292.80x = 498,439.20 × 308,673.20
  4. Step 4: Simplify right side
    332,292.80x = 153,854,822,869.44
  5. Step 5: Solve for x
    x = 153,854,822,869.44/332,292.80
  6. Step 6: Final answer
    x = 463,009.80

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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.