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Finding the Fourth Proportional to 624,002.70, 861,121.44 and 337,522.80

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Solution

The fourth proportional to 624,002.70, 861,121.44 and 337,522.80 is: 465,780.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,002.70 : 861,121.44 = 337,522.80 : x
  2. Step 2: Convert to fraction form
    624,002.70/861,121.44 = 337,522.80/x
  3. Step 3: Cross multiply
    624,002.70x = 861,121.44 × 337,522.80
  4. Step 4: Simplify right side
    624,002.70x = 290,648,119,568.83
  5. Step 5: Solve for x
    x = 290,648,119,568.83/624,002.70
  6. Step 6: Final answer
    x = 465,780.23

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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.