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Finding the Fourth Proportional to 329,472.18, 494,140.80 and 92,816.91

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Solution

The fourth proportional to 329,472.18, 494,140.80 and 92,816.91 is: 139,206.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,472.18 : 494,140.80 = 92,816.91 : x
  2. Step 2: Convert to fraction form
    329,472.18/494,140.80 = 92,816.91/x
  3. Step 3: Cross multiply
    329,472.18x = 494,140.80 × 92,816.91
  4. Step 4: Simplify right side
    329,472.18x = 45,864,622,160.93
  5. Step 5: Solve for x
    x = 45,864,622,160.93/329,472.18
  6. Step 6: Final answer
    x = 139,206.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.