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Finding the Fourth Proportional to 332,221.40, 498,332.10 and 199,033.10

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Solution

The fourth proportional to 332,221.40, 498,332.10 and 199,033.10 is: 298,549.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,221.40 : 498,332.10 = 199,033.10 : x
  2. Step 2: Convert to fraction form
    332,221.40/498,332.10 = 199,033.10/x
  3. Step 3: Cross multiply
    332,221.40x = 498,332.10 × 199,033.10
  4. Step 4: Simplify right side
    332,221.40x = 99,184,582,692.51
  5. Step 5: Solve for x
    x = 99,184,582,692.51/332,221.40
  6. Step 6: Final answer
    x = 298,549.65

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Similar ratio
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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.