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Finding the Fourth Proportional to 266,802.20, 400,203.30 and 236,475.80

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Solution

The fourth proportional to 266,802.20, 400,203.30 and 236,475.80 is: 354,713.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,802.20 : 400,203.30 = 236,475.80 : x
  2. Step 2: Convert to fraction form
    266,802.20/400,203.30 = 236,475.80/x
  3. Step 3: Cross multiply
    266,802.20x = 400,203.30 × 236,475.80
  4. Step 4: Simplify right side
    266,802.20x = 94,638,395,530.14
  5. Step 5: Solve for x
    x = 94,638,395,530.14/266,802.20
  6. Step 6: Final answer
    x = 354,713.70

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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.