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Finding the Fourth Proportional to 624,473.74, 861,775.86 and 337,993.66

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Solution

The fourth proportional to 624,473.74, 861,775.86 and 337,993.66 is: 466,432.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,473.74 : 861,775.86 = 337,993.66 : x
  2. Step 2: Convert to fraction form
    624,473.74/861,775.86 = 337,993.66/x
  3. Step 3: Cross multiply
    624,473.74x = 861,775.86 × 337,993.66
  4. Step 4: Simplify right side
    624,473.74x = 291,274,777,021.05
  5. Step 5: Solve for x
    x = 291,274,777,021.05/624,473.74
  6. Step 6: Final answer
    x = 466,432.39

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Double scale
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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.