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Finding the Fourth Proportional to 356,605.83, 535,241.52 and 188,250.57

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Solution

The fourth proportional to 356,605.83, 535,241.52 and 188,250.57 is: 282,551.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,605.83 : 535,241.52 = 188,250.57 : x
  2. Step 2: Convert to fraction form
    356,605.83/535,241.52 = 188,250.57/x
  3. Step 3: Cross multiply
    356,605.83x = 535,241.52 × 188,250.57
  4. Step 4: Simplify right side
    356,605.83x = 100,759,521,227.67
  5. Step 5: Solve for x
    x = 100,759,521,227.67/356,605.83
  6. Step 6: Final answer
    x = 282,551.53

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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.