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Finding the Fourth Proportional to 218,388.66, 327,637.38 and 173,579.10

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Solution

The fourth proportional to 218,388.66, 327,637.38 and 173,579.10 is: 260,411.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,388.66 : 327,637.38 = 173,579.10 : x
  2. Step 2: Convert to fraction form
    218,388.66/327,637.38 = 173,579.10/x
  3. Step 3: Cross multiply
    218,388.66x = 327,637.38 × 173,579.10
  4. Step 4: Simplify right side
    218,388.66x = 56,871,001,546.76
  5. Step 5: Solve for x
    x = 56,871,001,546.76/218,388.66
  6. Step 6: Final answer
    x = 260,411.88

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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.