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Finding the Fourth Proportional to 508,064.40, 701,220.24 and 293,174.64

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Solution

The fourth proportional to 508,064.40, 701,220.24 and 293,174.64 is: 404,633.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,064.40 : 701,220.24 = 293,174.64 : x
  2. Step 2: Convert to fraction form
    508,064.40/701,220.24 = 293,174.64/x
  3. Step 3: Cross multiply
    508,064.40x = 701,220.24 × 293,174.64
  4. Step 4: Simplify right side
    508,064.40x = 205,579,991,422.71
  5. Step 5: Solve for x
    x = 205,579,991,422.71/508,064.40
  6. Step 6: Final answer
    x = 404,633.73

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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.