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Finding the Fourth Proportional to 360,900.26, 496,901.22 and 317,849.30

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Solution

The fourth proportional to 360,900.26, 496,901.22 and 317,849.30 is: 437,627.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,900.26 : 496,901.22 = 317,849.30 : x
  2. Step 2: Convert to fraction form
    360,900.26/496,901.22 = 317,849.30/x
  3. Step 3: Cross multiply
    360,900.26x = 496,901.22 × 317,849.30
  4. Step 4: Simplify right side
    360,900.26x = 157,939,704,946.15
  5. Step 5: Solve for x
    x = 157,939,704,946.15/360,900.26
  6. Step 6: Final answer
    x = 437,627.02

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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.