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Finding the Fourth Proportional to 718,757.68, 992,204.42 and 464,233

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Solution

The fourth proportional to 718,757.68, 992,204.42 and 464,233 is: 640,847.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,757.68 : 992,204.42 = 464,233 : x
  2. Step 2: Convert to fraction form
    718,757.68/992,204.42 = 464,233/x
  3. Step 3: Cross multiply
    718,757.68x = 992,204.42 × 464,233
  4. Step 4: Simplify right side
    718,757.68x = 460,614,034,509.86
  5. Step 5: Solve for x
    x = 460,614,034,509.86/718,757.68
  6. Step 6: Final answer
    x = 640,847.46

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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.