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Finding the Fourth Proportional to 464,797.50, 641,420.56 and 263,593.50

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Solution

The fourth proportional to 464,797.50, 641,420.56 and 263,593.50 is: 363,759.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,797.50 : 641,420.56 = 263,593.50 : x
  2. Step 2: Convert to fraction form
    464,797.50/641,420.56 = 263,593.50/x
  3. Step 3: Cross multiply
    464,797.50x = 641,420.56 × 263,593.50
  4. Step 4: Simplify right side
    464,797.50x = 169,074,290,382.36
  5. Step 5: Solve for x
    x = 169,074,290,382.36/464,797.50
  6. Step 6: Final answer
    x = 363,759.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.