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Finding the Fourth Proportional to 253,953.68, 380,933.75 and 175,046.72

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Solution

The fourth proportional to 253,953.68, 380,933.75 and 175,046.72 is: 262,572.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,953.68 : 380,933.75 = 175,046.72 : x
  2. Step 2: Convert to fraction form
    253,953.68/380,933.75 = 175,046.72/x
  3. Step 3: Cross multiply
    253,953.68x = 380,933.75 × 175,046.72
  4. Step 4: Simplify right side
    253,953.68x = 66,681,202,007.75
  5. Step 5: Solve for x
    x = 66,681,202,007.75/253,953.68
  6. Step 6: Final answer
    x = 262,572.31

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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.