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Finding the Fourth Proportional to 296,035.39, 408,529.12 and 160,069.30

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Solution

The fourth proportional to 296,035.39, 408,529.12 and 160,069.30 is: 220,895.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,035.39 : 408,529.12 = 160,069.30 : x
  2. Step 2: Convert to fraction form
    296,035.39/408,529.12 = 160,069.30/x
  3. Step 3: Cross multiply
    296,035.39x = 408,529.12 × 160,069.30
  4. Step 4: Simplify right side
    296,035.39x = 65,392,967,425.02
  5. Step 5: Solve for x
    x = 65,392,967,425.02/296,035.39
  6. Step 6: Final answer
    x = 220,895.78

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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.