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Finding the Fourth Proportional to 544,410.05, 816,616.38 and 165,333.66

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Solution

The fourth proportional to 544,410.05, 816,616.38 and 165,333.66 is: 248,000.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,410.05 : 816,616.38 = 165,333.66 : x
  2. Step 2: Convert to fraction form
    544,410.05/816,616.38 = 165,333.66/x
  3. Step 3: Cross multiply
    544,410.05x = 816,616.38 × 165,333.66
  4. Step 4: Simplify right side
    544,410.05x = 135,014,174,921.35
  5. Step 5: Solve for x
    x = 135,014,174,921.35/544,410.05
  6. Step 6: Final answer
    x = 248,000.89

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1.5x scale

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.