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Finding the Fourth Proportional to 500,651.48, 750,922.07 and 140,833.76

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Solution

The fourth proportional to 500,651.48, 750,922.07 and 140,833.76 is: 211,235.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,651.48 : 750,922.07 = 140,833.76 : x
  2. Step 2: Convert to fraction form
    500,651.48/750,922.07 = 140,833.76/x
  3. Step 3: Cross multiply
    500,651.48x = 750,922.07 × 140,833.76
  4. Step 4: Simplify right side
    500,651.48x = 105,755,180,858.30
  5. Step 5: Solve for x
    x = 105,755,180,858.30/500,651.48
  6. Step 6: Final answer
    x = 211,235.13

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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.