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Finding the Fourth Proportional to 544,878.90, 817,349.10 and 165,812.01

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Solution

The fourth proportional to 544,878.90, 817,349.10 and 165,812.01 is: 248,727.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,878.90 : 817,349.10 = 165,812.01 : x
  2. Step 2: Convert to fraction form
    544,878.90/817,349.10 = 165,812.01/x
  3. Step 3: Cross multiply
    544,878.90x = 817,349.10 × 165,812.01
  4. Step 4: Simplify right side
    544,878.90x = 135,526,297,142.69
  5. Step 5: Solve for x
    x = 135,526,297,142.69/544,878.90
  6. Step 6: Final answer
    x = 248,727.37

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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.