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Finding the Fourth Proportional to 603,687.78, 904,348.50 and 350,437.26

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Solution

The fourth proportional to 603,687.78, 904,348.50 and 350,437.26 is: 524,969.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,687.78 : 904,348.50 = 350,437.26 : x
  2. Step 2: Convert to fraction form
    603,687.78/904,348.50 = 350,437.26/x
  3. Step 3: Cross multiply
    603,687.78x = 904,348.50 × 350,437.26
  4. Step 4: Simplify right side
    603,687.78x = 316,917,410,425.11
  5. Step 5: Solve for x
    x = 316,917,410,425.11/603,687.78
  6. Step 6: Final answer
    x = 524,969.07

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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.