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Finding the Fourth Proportional to 376,021.64, 518,616.60 and 232,861.16

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Solution

The fourth proportional to 376,021.64, 518,616.60 and 232,861.16 is: 321,166.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,021.64 : 518,616.60 = 232,861.16 : x
  2. Step 2: Convert to fraction form
    376,021.64/518,616.60 = 232,861.16/x
  3. Step 3: Cross multiply
    376,021.64x = 518,616.60 × 232,861.16
  4. Step 4: Simplify right side
    376,021.64x = 120,765,663,071.26
  5. Step 5: Solve for x
    x = 120,765,663,071.26/376,021.64
  6. Step 6: Final answer
    x = 321,166.79

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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.