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Finding the Fourth Proportional to 332,346.70, 498,520.05 and 310,039.30

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Solution

The fourth proportional to 332,346.70, 498,520.05 and 310,039.30 is: 465,058.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,346.70 : 498,520.05 = 310,039.30 : x
  2. Step 2: Convert to fraction form
    332,346.70/498,520.05 = 310,039.30/x
  3. Step 3: Cross multiply
    332,346.70x = 498,520.05 × 310,039.30
  4. Step 4: Simplify right side
    332,346.70x = 154,560,807,337.97
  5. Step 5: Solve for x
    x = 154,560,807,337.97/332,346.70
  6. Step 6: Final answer
    x = 465,058.95

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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.