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Finding the Fourth Proportional to 624,383.95, 861,650.91 and 337,904.26

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Solution

The fourth proportional to 624,383.95, 861,650.91 and 337,904.26 is: 466,308.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,383.95 : 861,650.91 = 337,904.26 : x
  2. Step 2: Convert to fraction form
    624,383.95/861,650.91 = 337,904.26/x
  3. Step 3: Cross multiply
    624,383.95x = 861,650.91 × 337,904.26
  4. Step 4: Simplify right side
    624,383.95x = 291,155,513,121.88
  5. Step 5: Solve for x
    x = 291,155,513,121.88/624,383.95
  6. Step 6: Final answer
    x = 466,308.45

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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.