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Finding the Fourth Proportional to 317,123.68, 475,764.80 and 223,811.68

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Solution

The fourth proportional to 317,123.68, 475,764.80 and 223,811.68 is: 335,773.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,123.68 : 475,764.80 = 223,811.68 : x
  2. Step 2: Convert to fraction form
    317,123.68/475,764.80 = 223,811.68/x
  3. Step 3: Cross multiply
    317,123.68x = 475,764.80 × 223,811.68
  4. Step 4: Simplify right side
    317,123.68x = 106,481,719,172.86
  5. Step 5: Solve for x
    x = 106,481,719,172.86/317,123.68
  6. Step 6: Final answer
    x = 335,773.47

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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.