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Finding the Fourth Proportional to 555,311.66, 832,795.07 and 200,279.52

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Solution

The fourth proportional to 555,311.66, 832,795.07 and 200,279.52 is: 300,357.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,311.66 : 832,795.07 = 200,279.52 : x
  2. Step 2: Convert to fraction form
    555,311.66/832,795.07 = 200,279.52/x
  3. Step 3: Cross multiply
    555,311.66x = 832,795.07 × 200,279.52
  4. Step 4: Simplify right side
    555,311.66x = 166,791,795,876.57
  5. Step 5: Solve for x
    x = 166,791,795,876.57/555,311.66
  6. Step 6: Final answer
    x = 300,357.10

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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.