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Finding the Fourth Proportional to 501,319.31, 751,523.79 and 185,554.79

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Solution

The fourth proportional to 501,319.31, 751,523.79 and 185,554.79 is: 278,163.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,319.31 : 751,523.79 = 185,554.79 : x
  2. Step 2: Convert to fraction form
    501,319.31/751,523.79 = 185,554.79/x
  3. Step 3: Cross multiply
    501,319.31x = 751,523.79 × 185,554.79
  4. Step 4: Simplify right side
    501,319.31x = 139,448,835,275.84
  5. Step 5: Solve for x
    x = 139,448,835,275.84/501,319.31
  6. Step 6: Final answer
    x = 278,163.71

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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.