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Finding the Fourth Proportional to 624,116.83, 861,279.32 and 337,636.84

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Solution

The fourth proportional to 624,116.83, 861,279.32 and 337,636.84 is: 465,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,116.83 : 861,279.32 = 337,636.84 : x
  2. Step 2: Convert to fraction form
    624,116.83/861,279.32 = 337,636.84/x
  3. Step 3: Cross multiply
    624,116.83x = 861,279.32 × 337,636.84
  4. Step 4: Simplify right side
    624,116.83x = 290,799,621,967.57
  5. Step 5: Solve for x
    x = 290,799,621,967.57/624,116.83
  6. Step 6: Final answer
    x = 465,937.80

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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.