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Finding the Fourth Proportional to 574,856.69, 862,418.59 and 195,780.71

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Solution

The fourth proportional to 574,856.69, 862,418.59 and 195,780.71 is: 293,716.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,856.69 : 862,418.59 = 195,780.71 : x
  2. Step 2: Convert to fraction form
    574,856.69/862,418.59 = 195,780.71/x
  3. Step 3: Cross multiply
    574,856.69x = 862,418.59 × 195,780.71
  4. Step 4: Simplify right side
    574,856.69x = 168,844,925,533.99
  5. Step 5: Solve for x
    x = 168,844,925,533.99/574,856.69
  6. Step 6: Final answer
    x = 293,716.55

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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.