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Finding the Fourth Proportional to 605,372.88, 835,420.20 and 333,441.76

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Solution

The fourth proportional to 605,372.88, 835,420.20 and 333,441.76 is: 460,152.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,372.88 : 835,420.20 = 333,441.76 : x
  2. Step 2: Convert to fraction form
    605,372.88/835,420.20 = 333,441.76/x
  3. Step 3: Cross multiply
    605,372.88x = 835,420.20 × 333,441.76
  4. Step 4: Simplify right side
    605,372.88x = 278,563,981,827.55
  5. Step 5: Solve for x
    x = 278,563,981,827.55/605,372.88
  6. Step 6: Final answer
    x = 460,152.73

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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.