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Finding the Fourth Proportional to 262,377.16, 393,058.40 and 219,751.16

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Solution

The fourth proportional to 262,377.16, 393,058.40 and 219,751.16 is: 329,201.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,377.16 : 393,058.40 = 219,751.16 : x
  2. Step 2: Convert to fraction form
    262,377.16/393,058.40 = 219,751.16/x
  3. Step 3: Cross multiply
    262,377.16x = 393,058.40 × 219,751.16
  4. Step 4: Simplify right side
    262,377.16x = 86,375,039,347.74
  5. Step 5: Solve for x
    x = 86,375,039,347.74/262,377.16
  6. Step 6: Final answer
    x = 329,201.82

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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.