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Finding the Fourth Proportional to 352,844.40, 529,266.60 and 234,130.80

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Solution

The fourth proportional to 352,844.40, 529,266.60 and 234,130.80 is: 351,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,844.40 : 529,266.60 = 234,130.80 : x
  2. Step 2: Convert to fraction form
    352,844.40/529,266.60 = 234,130.80/x
  3. Step 3: Cross multiply
    352,844.40x = 529,266.60 × 234,130.80
  4. Step 4: Simplify right side
    352,844.40x = 123,917,612,471.28
  5. Step 5: Solve for x
    x = 123,917,612,471.28/352,844.40
  6. Step 6: Final answer
    x = 351,196.20

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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.