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Finding the Fourth Proportional to 527,593.65, 790,740.78 and 300,080.04

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Solution

The fourth proportional to 527,593.65, 790,740.78 and 300,080.04 is: 449,750.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,593.65 : 790,740.78 = 300,080.04 : x
  2. Step 2: Convert to fraction form
    527,593.65/790,740.78 = 300,080.04/x
  3. Step 3: Cross multiply
    527,593.65x = 790,740.78 × 300,080.04
  4. Step 4: Simplify right side
    527,593.65x = 237,285,524,892.03
  5. Step 5: Solve for x
    x = 237,285,524,892.03/527,593.65
  6. Step 6: Final answer
    x = 449,750.53

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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.