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Finding the Fourth Proportional to 296,045.40, 408,517.95 and 166,976.76

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Solution

The fourth proportional to 296,045.40, 408,517.95 and 166,976.76 is: 230,414.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,045.40 : 408,517.95 = 166,976.76 : x
  2. Step 2: Convert to fraction form
    296,045.40/408,517.95 = 166,976.76/x
  3. Step 3: Cross multiply
    296,045.40x = 408,517.95 × 166,976.76
  4. Step 4: Simplify right side
    296,045.40x = 68,213,003,692.84
  5. Step 5: Solve for x
    x = 68,213,003,692.84/296,045.40
  6. Step 6: Final answer
    x = 230,414.00

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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.