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Finding the Fourth Proportional to 376,599.48, 567,489.84 and 311,504.64

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Solution

The fourth proportional to 376,599.48, 567,489.84 and 311,504.64 is: 469,399.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,599.48 : 567,489.84 = 311,504.64 : x
  2. Step 2: Convert to fraction form
    376,599.48/567,489.84 = 311,504.64/x
  3. Step 3: Cross multiply
    376,599.48x = 567,489.84 × 311,504.64
  4. Step 4: Simplify right side
    376,599.48x = 176,775,718,312.86
  5. Step 5: Solve for x
    x = 176,775,718,312.86/376,599.48
  6. Step 6: Final answer
    x = 469,399.79

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.