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Finding the Fourth Proportional to 528,103.99, 792,371.31 and 191,180.24

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Solution

The fourth proportional to 528,103.99, 792,371.31 and 191,180.24 is: 286,848.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,103.99 : 792,371.31 = 191,180.24 : x
  2. Step 2: Convert to fraction form
    528,103.99/792,371.31 = 191,180.24/x
  3. Step 3: Cross multiply
    528,103.99x = 792,371.31 × 191,180.24
  4. Step 4: Simplify right side
    528,103.99x = 151,485,737,214.91
  5. Step 5: Solve for x
    x = 151,485,737,214.91/528,103.99
  6. Step 6: Final answer
    x = 286,848.31

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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.