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Finding the Fourth Proportional to 276,792.66, 382,002.08 and 169,433.64

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Solution

The fourth proportional to 276,792.66, 382,002.08 and 169,433.64 is: 233,835.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,792.66 : 382,002.08 = 169,433.64 : x
  2. Step 2: Convert to fraction form
    276,792.66/382,002.08 = 169,433.64/x
  3. Step 3: Cross multiply
    276,792.66x = 382,002.08 × 169,433.64
  4. Step 4: Simplify right side
    276,792.66x = 64,724,002,054.80
  5. Step 5: Solve for x
    x = 64,724,002,054.80/276,792.66
  6. Step 6: Final answer
    x = 233,835.69

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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.