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Finding the Fourth Proportional to 633,920.32, 950,969.39 and 207,489.64

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Solution

The fourth proportional to 633,920.32, 950,969.39 and 207,489.64 is: 311,263.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,920.32 : 950,969.39 = 207,489.64 : x
  2. Step 2: Convert to fraction form
    633,920.32/950,969.39 = 207,489.64/x
  3. Step 3: Cross multiply
    633,920.32x = 950,969.39 × 207,489.64
  4. Step 4: Simplify right side
    633,920.32x = 197,316,290,589.83
  5. Step 5: Solve for x
    x = 197,316,290,589.83/633,920.32
  6. Step 6: Final answer
    x = 311,263.55

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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.