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Finding the Fourth Proportional to 624,369.34, 861,632.25 and 337,889.44

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Solution

The fourth proportional to 624,369.34, 861,632.25 and 337,889.44 is: 466,288.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,369.34 : 861,632.25 = 337,889.44 : x
  2. Step 2: Convert to fraction form
    624,369.34/861,632.25 = 337,889.44/x
  3. Step 3: Cross multiply
    624,369.34x = 861,632.25 × 337,889.44
  4. Step 4: Simplify right side
    624,369.34x = 291,136,438,438.44
  5. Step 5: Solve for x
    x = 291,136,438,438.44/624,369.34
  6. Step 6: Final answer
    x = 466,288.81

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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.