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Finding the Fourth Proportional to 624,596.59, 861,942.32 and 338,116.60

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Solution

The fourth proportional to 624,596.59, 861,942.32 and 338,116.60 is: 466,600.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,596.59 : 861,942.32 = 338,116.60 : x
  2. Step 2: Convert to fraction form
    624,596.59/861,942.32 = 338,116.60/x
  3. Step 3: Cross multiply
    624,596.59x = 861,942.32 × 338,116.60
  4. Step 4: Simplify right side
    624,596.59x = 291,437,004,057.01
  5. Step 5: Solve for x
    x = 291,437,004,057.01/624,596.59
  6. Step 6: Final answer
    x = 466,600.38

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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.