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Finding the Fourth Proportional to 296,796.61, 409,599.41 and 167,690.30

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Solution

The fourth proportional to 296,796.61, 409,599.41 and 167,690.30 is: 231,423.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,796.61 : 409,599.41 = 167,690.30 : x
  2. Step 2: Convert to fraction form
    296,796.61/409,599.41 = 167,690.30/x
  3. Step 3: Cross multiply
    296,796.61x = 409,599.41 × 167,690.30
  4. Step 4: Simplify right side
    296,796.61x = 68,685,847,831.90
  5. Step 5: Solve for x
    x = 68,685,847,831.90/296,796.61
  6. Step 6: Final answer
    x = 231,423.97

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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.