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Finding the Fourth Proportional to 673,797.20, 1,010,695.80 and 274,232.30

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Solution

The fourth proportional to 673,797.20, 1,010,695.80 and 274,232.30 is: 411,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,797.20 : 1,010,695.80 = 274,232.30 : x
  2. Step 2: Convert to fraction form
    673,797.20/1,010,695.80 = 274,232.30/x
  3. Step 3: Cross multiply
    673,797.20x = 1,010,695.80 × 274,232.30
  4. Step 4: Simplify right side
    673,797.20x = 277,165,433,834.34
  5. Step 5: Solve for x
    x = 277,165,433,834.34/673,797.20
  6. Step 6: Final answer
    x = 411,348.45

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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.