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Finding the Fourth Proportional to 624,116.33, 861,278.63 and 337,636.34

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Solution

The fourth proportional to 624,116.33, 861,278.63 and 337,636.34 is: 465,937.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,116.33 : 861,278.63 = 337,636.34 : x
  2. Step 2: Convert to fraction form
    624,116.33/861,278.63 = 337,636.34/x
  3. Step 3: Cross multiply
    624,116.33x = 861,278.63 × 337,636.34
  4. Step 4: Simplify right side
    624,116.33x = 290,798,958,358.84
  5. Step 5: Solve for x
    x = 290,798,958,358.84/624,116.33
  6. Step 6: Final answer
    x = 465,937.11

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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.