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Finding the Fourth Proportional to 503,469.81, 755,024.79 and 166,448.25

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Solution

The fourth proportional to 503,469.81, 755,024.79 and 166,448.25 is: 249,612.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,469.81 : 755,024.79 = 166,448.25 : x
  2. Step 2: Convert to fraction form
    503,469.81/755,024.79 = 166,448.25/x
  3. Step 3: Cross multiply
    503,469.81x = 755,024.79 × 166,448.25
  4. Step 4: Simplify right side
    503,469.81x = 125,672,555,002.12
  5. Step 5: Solve for x
    x = 125,672,555,002.12/503,469.81
  6. Step 6: Final answer
    x = 249,612.89

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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.