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Finding the Fourth Proportional to 741,641.10, 1,040,659.50 and 741,641.10

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Solution

The fourth proportional to 741,641.10, 1,040,659.50 and 741,641.10 is: 1,040,659.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,641.10 : 1,040,659.50 = 741,641.10 : x
  2. Step 2: Convert to fraction form
    741,641.10/1,040,659.50 = 741,641.10/x
  3. Step 3: Cross multiply
    741,641.10x = 1,040,659.50 × 741,641.10
  4. Step 4: Simplify right side
    741,641.10x = 771,795,856,305.45
  5. Step 5: Solve for x
    x = 771,795,856,305.45/741,641.10
  6. Step 6: Final answer
    x = 1,040,659.50

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1.5x scale

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.