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Finding the Fourth Proportional to 362,867.76, 544,549.32 and 126,208.08

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Solution

The fourth proportional to 362,867.76, 544,549.32 and 126,208.08 is: 189,398.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,867.76 : 544,549.32 = 126,208.08 : x
  2. Step 2: Convert to fraction form
    362,867.76/544,549.32 = 126,208.08/x
  3. Step 3: Cross multiply
    362,867.76x = 544,549.32 × 126,208.08
  4. Step 4: Simplify right side
    362,867.76x = 68,726,524,142.51
  5. Step 5: Solve for x
    x = 68,726,524,142.51/362,867.76
  6. Step 6: Final answer
    x = 189,398.26

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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.