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Finding the Fourth Proportional to 609,252.85, 840,781.76 and 333,622.27

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Solution

The fourth proportional to 609,252.85, 840,781.76 and 333,622.27 is: 460,405.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,252.85 : 840,781.76 = 333,622.27 : x
  2. Step 2: Convert to fraction form
    609,252.85/840,781.76 = 333,622.27/x
  3. Step 3: Cross multiply
    609,252.85x = 840,781.76 × 333,622.27
  4. Step 4: Simplify right side
    609,252.85x = 280,503,522,036.41
  5. Step 5: Solve for x
    x = 280,503,522,036.41/609,252.85
  6. Step 6: Final answer
    x = 460,405.76

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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.