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Finding the Fourth Proportional to 2,617,300.80, 3,672,619.20 and 2,617,300.80

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Solution

The fourth proportional to 2,617,300.80, 3,672,619.20 and 2,617,300.80 is: 3,672,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,300.80 : 3,672,619.20 = 2,617,300.80 : x
  2. Step 2: Convert to fraction form
    2,617,300.80/3,672,619.20 = 2,617,300.80/x
  3. Step 3: Cross multiply
    2,617,300.80x = 3,672,619.20 × 2,617,300.80
  4. Step 4: Simplify right side
    2,617,300.80x = 9,612,349,170,255.36
  5. Step 5: Solve for x
    x = 9,612,349,170,255.36/2,617,300.80
  6. Step 6: Final answer
    x = 3,672,619.20

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Double scale
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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.