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Finding the Fourth Proportional to 544,921.79, 817,500.33 and 165,872.16

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Solution

The fourth proportional to 544,921.79, 817,500.33 and 165,872.16 is: 248,844.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,921.79 : 817,500.33 = 165,872.16 : x
  2. Step 2: Convert to fraction form
    544,921.79/817,500.33 = 165,872.16/x
  3. Step 3: Cross multiply
    544,921.79x = 817,500.33 × 165,872.16
  4. Step 4: Simplify right side
    544,921.79x = 135,600,545,537.81
  5. Step 5: Solve for x
    x = 135,600,545,537.81/544,921.79
  6. Step 6: Final answer
    x = 248,844.05

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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.