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Finding the Fourth Proportional to 1,449,861.90, 2,034,005.70 and 1,449,861.90

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Solution

The fourth proportional to 1,449,861.90, 2,034,005.70 and 1,449,861.90 is: 2,034,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,861.90 : 2,034,005.70 = 1,449,861.90 : x
  2. Step 2: Convert to fraction form
    1,449,861.90/2,034,005.70 = 1,449,861.90/x
  3. Step 3: Cross multiply
    1,449,861.90x = 2,034,005.70 × 1,449,861.90
  4. Step 4: Simplify right side
    1,449,861.90x = 2,949,027,368,812.83
  5. Step 5: Solve for x
    x = 2,949,027,368,812.83/1,449,861.90
  6. Step 6: Final answer
    x = 2,034,005.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.