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Finding the Fourth Proportional to 603,691.80, 904,354.48 and 350,441.28

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Solution

The fourth proportional to 603,691.80, 904,354.48 and 350,441.28 is: 524,975.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,691.80 : 904,354.48 = 350,441.28 : x
  2. Step 2: Convert to fraction form
    603,691.80/904,354.48 = 350,441.28/x
  3. Step 3: Cross multiply
    603,691.80x = 904,354.48 × 350,441.28
  4. Step 4: Simplify right side
    603,691.80x = 316,923,141,544.93
  5. Step 5: Solve for x
    x = 316,923,141,544.93/603,691.80
  6. Step 6: Final answer
    x = 524,975.06

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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.