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Finding the Fourth Proportional to 508,603.56, 701,794.98 and 304,606.68

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Solution

The fourth proportional to 508,603.56, 701,794.98 and 304,606.68 is: 420,310.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,603.56 : 701,794.98 = 304,606.68 : x
  2. Step 2: Convert to fraction form
    508,603.56/701,794.98 = 304,606.68/x
  3. Step 3: Cross multiply
    508,603.56x = 701,794.98 × 304,606.68
  4. Step 4: Simplify right side
    508,603.56x = 213,771,438,898.47
  5. Step 5: Solve for x
    x = 213,771,438,898.47/508,603.56
  6. Step 6: Final answer
    x = 420,310.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.