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Finding the Fourth Proportional to 357,188.67, 535,932.95 and 222,365.50

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Solution

The fourth proportional to 357,188.67, 535,932.95 and 222,365.50 is: 333,641.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,188.67 : 535,932.95 = 222,365.50 : x
  2. Step 2: Convert to fraction form
    357,188.67/535,932.95 = 222,365.50/x
  3. Step 3: Cross multiply
    357,188.67x = 535,932.95 × 222,365.50
  4. Step 4: Simplify right side
    357,188.67x = 119,172,995,941.57
  5. Step 5: Solve for x
    x = 119,172,995,941.57/357,188.67
  6. Step 6: Final answer
    x = 333,641.59

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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.