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Finding the Fourth Proportional to 503,530.85, 755,296.52 and 166,571.50

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Solution

The fourth proportional to 503,530.85, 755,296.52 and 166,571.50 is: 249,857.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,530.85 : 755,296.52 = 166,571.50 : x
  2. Step 2: Convert to fraction form
    503,530.85/755,296.52 = 166,571.50/x
  3. Step 3: Cross multiply
    503,530.85x = 755,296.52 × 166,571.50
  4. Step 4: Simplify right side
    503,530.85x = 125,810,870,851.99
  5. Step 5: Solve for x
    x = 125,810,870,851.99/503,530.85
  6. Step 6: Final answer
    x = 249,857.33

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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.