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Finding the Fourth Proportional to 376,525.14, 564,770.43 and 127,209.30

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Solution

The fourth proportional to 376,525.14, 564,770.43 and 127,209.30 is: 190,808.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,525.14 : 564,770.43 = 127,209.30 : x
  2. Step 2: Convert to fraction form
    376,525.14/564,770.43 = 127,209.30/x
  3. Step 3: Cross multiply
    376,525.14x = 564,770.43 × 127,209.30
  4. Step 4: Simplify right side
    376,525.14x = 71,844,051,061.00
  5. Step 5: Solve for x
    x = 71,844,051,061.00/376,525.14
  6. Step 6: Final answer
    x = 190,808.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.