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Finding the Fourth Proportional to 2,012,449.70, 3,018,674.55 and 2,012,449.70

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Solution

The fourth proportional to 2,012,449.70, 3,018,674.55 and 2,012,449.70 is: 3,018,674.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,449.70 : 3,018,674.55 = 2,012,449.70 : x
  2. Step 2: Convert to fraction form
    2,012,449.70/3,018,674.55 = 2,012,449.70/x
  3. Step 3: Cross multiply
    2,012,449.70x = 3,018,674.55 × 2,012,449.70
  4. Step 4: Simplify right side
    2,012,449.70x = 6,074,930,692,545.14
  5. Step 5: Solve for x
    x = 6,074,930,692,545.14/2,012,449.70
  6. Step 6: Final answer
    x = 3,018,674.55

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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.