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Finding the Fourth Proportional to 490,626.10, 735,939.15 and 490,626.10

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Solution

The fourth proportional to 490,626.10, 735,939.15 and 490,626.10 is: 735,939.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,626.10 : 735,939.15 = 490,626.10 : x
  2. Step 2: Convert to fraction form
    490,626.10/735,939.15 = 490,626.10/x
  3. Step 3: Cross multiply
    490,626.10x = 735,939.15 × 490,626.10
  4. Step 4: Simplify right side
    490,626.10x = 361,070,955,001.82
  5. Step 5: Solve for x
    x = 361,070,955,001.82/490,626.10
  6. Step 6: Final answer
    x = 735,939.15

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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.