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Finding the Fourth Proportional to 250,920.88, 376,159.47 and 192,019.48

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Solution

The fourth proportional to 250,920.88, 376,159.47 and 192,019.48 is: 287,859.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,920.88 : 376,159.47 = 192,019.48 : x
  2. Step 2: Convert to fraction form
    250,920.88/376,159.47 = 192,019.48/x
  3. Step 3: Cross multiply
    250,920.88x = 376,159.47 × 192,019.48
  4. Step 4: Simplify right side
    250,920.88x = 72,229,945,826.48
  5. Step 5: Solve for x
    x = 72,229,945,826.48/250,920.88
  6. Step 6: Final answer
    x = 287,859.45

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1.5x scale

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.