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Finding the Fourth Proportional to 605,327.79, 835,342.05 and 333,421.11

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Solution

The fourth proportional to 605,327.79, 835,342.05 and 333,421.11 is: 460,115.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,327.79 : 835,342.05 = 333,421.11 : x
  2. Step 2: Convert to fraction form
    605,327.79/835,342.05 = 333,421.11/x
  3. Step 3: Cross multiply
    605,327.79x = 835,342.05 × 333,421.11
  4. Step 4: Simplify right side
    605,327.79x = 278,520,673,540.68
  5. Step 5: Solve for x
    x = 278,520,673,540.68/605,327.79
  6. Step 6: Final answer
    x = 460,115.46

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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.