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Finding the Fourth Proportional to 265,571.34, 398,502.84 and 125,326.32

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Solution

The fourth proportional to 265,571.34, 398,502.84 and 125,326.32 is: 188,058.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,571.34 : 398,502.84 = 125,326.32 : x
  2. Step 2: Convert to fraction form
    265,571.34/398,502.84 = 125,326.32/x
  3. Step 3: Cross multiply
    265,571.34x = 398,502.84 × 125,326.32
  4. Step 4: Simplify right side
    265,571.34x = 49,942,894,446.75
  5. Step 5: Solve for x
    x = 49,942,894,446.75/265,571.34
  6. Step 6: Final answer
    x = 188,058.30

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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.