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Finding the Fourth Proportional to 235,634.40, 352,868.40 and 151,264.80

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Solution

The fourth proportional to 235,634.40, 352,868.40 and 151,264.80 is: 226,522.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,634.40 : 352,868.40 = 151,264.80 : x
  2. Step 2: Convert to fraction form
    235,634.40/352,868.40 = 151,264.80/x
  3. Step 3: Cross multiply
    235,634.40x = 352,868.40 × 151,264.80
  4. Step 4: Simplify right side
    235,634.40x = 53,376,567,952.32
  5. Step 5: Solve for x
    x = 53,376,567,952.32/235,634.40
  6. Step 6: Final answer
    x = 226,522.82

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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.