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Finding the Fourth Proportional to 266,940.10, 400,410.15 and 241,570.90

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Solution

The fourth proportional to 266,940.10, 400,410.15 and 241,570.90 is: 362,356.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,940.10 : 400,410.15 = 241,570.90 : x
  2. Step 2: Convert to fraction form
    266,940.10/400,410.15 = 241,570.90/x
  3. Step 3: Cross multiply
    266,940.10x = 400,410.15 × 241,570.90
  4. Step 4: Simplify right side
    266,940.10x = 96,727,440,304.64
  5. Step 5: Solve for x
    x = 96,727,440,304.64/266,940.10
  6. Step 6: Final answer
    x = 362,356.35

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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.