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Finding the Fourth Proportional to 501,275.41, 751,612.79 and 159,571.20

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Solution

The fourth proportional to 501,275.41, 751,612.79 and 159,571.20 is: 239,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,275.41 : 751,612.79 = 159,571.20 : x
  2. Step 2: Convert to fraction form
    501,275.41/751,612.79 = 159,571.20/x
  3. Step 3: Cross multiply
    501,275.41x = 751,612.79 × 159,571.20
  4. Step 4: Simplify right side
    501,275.41x = 119,935,754,835.65
  5. Step 5: Solve for x
    x = 119,935,754,835.65/501,275.41
  6. Step 6: Final answer
    x = 239,261.20

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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.