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Finding the Fourth Proportional to 223,562.70, 335,344.05 and 207,816.30

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Solution

The fourth proportional to 223,562.70, 335,344.05 and 207,816.30 is: 311,724.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,562.70 : 335,344.05 = 207,816.30 : x
  2. Step 2: Convert to fraction form
    223,562.70/335,344.05 = 207,816.30/x
  3. Step 3: Cross multiply
    223,562.70x = 335,344.05 × 207,816.30
  4. Step 4: Simplify right side
    223,562.70x = 69,689,959,698.02
  5. Step 5: Solve for x
    x = 69,689,959,698.02/223,562.70
  6. Step 6: Final answer
    x = 311,724.45

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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.