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Finding the Fourth Proportional to 322,677.80, 484,016.70 and 310,430.60

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Solution

The fourth proportional to 322,677.80, 484,016.70 and 310,430.60 is: 465,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,677.80 : 484,016.70 = 310,430.60 : x
  2. Step 2: Convert to fraction form
    322,677.80/484,016.70 = 310,430.60/x
  3. Step 3: Cross multiply
    322,677.80x = 484,016.70 × 310,430.60
  4. Step 4: Simplify right side
    322,677.80x = 150,253,594,591.02
  5. Step 5: Solve for x
    x = 150,253,594,591.02/322,677.80
  6. Step 6: Final answer
    x = 465,645.90

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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.