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Finding the Fourth Proportional to 352,237.89, 527,889.60 and 191,902.53

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Solution

The fourth proportional to 352,237.89, 527,889.60 and 191,902.53 is: 287,599.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,237.89 : 527,889.60 = 191,902.53 : x
  2. Step 2: Convert to fraction form
    352,237.89/527,889.60 = 191,902.53/x
  3. Step 3: Cross multiply
    352,237.89x = 527,889.60 × 191,902.53
  4. Step 4: Simplify right side
    352,237.89x = 101,303,349,800.69
  5. Step 5: Solve for x
    x = 101,303,349,800.69/352,237.89
  6. Step 6: Final answer
    x = 287,599.24

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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.