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Finding the Fourth Proportional to 526,911.94, 790,369.97 and 127,552.06

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Solution

The fourth proportional to 526,911.94, 790,369.97 and 127,552.06 is: 191,328.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,911.94 : 790,369.97 = 127,552.06 : x
  2. Step 2: Convert to fraction form
    526,911.94/790,369.97 = 127,552.06/x
  3. Step 3: Cross multiply
    526,911.94x = 790,369.97 × 127,552.06
  4. Step 4: Simplify right side
    526,911.94x = 100,813,317,197.88
  5. Step 5: Solve for x
    x = 100,813,317,197.88/526,911.94
  6. Step 6: Final answer
    x = 191,328.59

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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.