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Finding the Fourth Proportional to 617,007.88, 925,586.70 and 173,775.88

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Solution

The fourth proportional to 617,007.88, 925,586.70 and 173,775.88 is: 260,684.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,007.88 : 925,586.70 = 173,775.88 : x
  2. Step 2: Convert to fraction form
    617,007.88/925,586.70 = 173,775.88/x
  3. Step 3: Cross multiply
    617,007.88x = 925,586.70 × 173,775.88
  4. Step 4: Simplify right side
    617,007.88x = 160,844,643,308.80
  5. Step 5: Solve for x
    x = 160,844,643,308.80/617,007.88
  6. Step 6: Final answer
    x = 260,684.91

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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.