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Finding the Fourth Proportional to 376,852.88, 520,035.72 and 231,713.84

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Solution

The fourth proportional to 376,852.88, 520,035.72 and 231,713.84 is: 319,752.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,852.88 : 520,035.72 = 231,713.84 : x
  2. Step 2: Convert to fraction form
    376,852.88/520,035.72 = 231,713.84/x
  3. Step 3: Cross multiply
    376,852.88x = 520,035.72 × 231,713.84
  4. Step 4: Simplify right side
    376,852.88x = 120,499,473,618.37
  5. Step 5: Solve for x
    x = 120,499,473,618.37/376,852.88
  6. Step 6: Final answer
    x = 319,752.03

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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.