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Finding the Fourth Proportional to 262,581.74, 394,001.13 and 162,715.22

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Solution

The fourth proportional to 262,581.74, 394,001.13 and 162,715.22 is: 244,152.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,581.74 : 394,001.13 = 162,715.22 : x
  2. Step 2: Convert to fraction form
    262,581.74/394,001.13 = 162,715.22/x
  3. Step 3: Cross multiply
    262,581.74x = 394,001.13 × 162,715.22
  4. Step 4: Simplify right side
    262,581.74x = 64,109,980,548.20
  5. Step 5: Solve for x
    x = 64,109,980,548.20/262,581.74
  6. Step 6: Final answer
    x = 244,152.47

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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.