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Finding the Fourth Proportional to 617,461.38, 926,181.99 and 196,731.54

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Solution

The fourth proportional to 617,461.38, 926,181.99 and 196,731.54 is: 295,094.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,461.38 : 926,181.99 = 196,731.54 : x
  2. Step 2: Convert to fraction form
    617,461.38/926,181.99 = 196,731.54/x
  3. Step 3: Cross multiply
    617,461.38x = 926,181.99 × 196,731.54
  4. Step 4: Simplify right side
    617,461.38x = 182,209,209,212.97
  5. Step 5: Solve for x
    x = 182,209,209,212.97/617,461.38
  6. Step 6: Final answer
    x = 295,094.10

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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.