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Finding the Fourth Proportional to 409,641.97, 565,372.50 and 246,463.41

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Solution

The fourth proportional to 409,641.97, 565,372.50 and 246,463.41 is: 340,159.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,641.97 : 565,372.50 = 246,463.41 : x
  2. Step 2: Convert to fraction form
    409,641.97/565,372.50 = 246,463.41/x
  3. Step 3: Cross multiply
    409,641.97x = 565,372.50 × 246,463.41
  4. Step 4: Simplify right side
    409,641.97x = 139,343,632,059.52
  5. Step 5: Solve for x
    x = 139,343,632,059.52/409,641.97
  6. Step 6: Final answer
    x = 340,159.56

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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.