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Finding the Fourth Proportional to 491,168.33, 736,752.67 and 220,980.92

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Solution

The fourth proportional to 491,168.33, 736,752.67 and 220,980.92 is: 331,471.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,168.33 : 736,752.67 = 220,980.92 : x
  2. Step 2: Convert to fraction form
    491,168.33/736,752.67 = 220,980.92/x
  3. Step 3: Cross multiply
    491,168.33x = 736,752.67 × 220,980.92
  4. Step 4: Simplify right side
    491,168.33x = 162,808,284,118.49
  5. Step 5: Solve for x
    x = 162,808,284,118.49/491,168.33
  6. Step 6: Final answer
    x = 331,471.46

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Double scale
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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.