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Finding the Fourth Proportional to 352,601.70, 528,848.55 and 115,944.90

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Solution

The fourth proportional to 352,601.70, 528,848.55 and 115,944.90 is: 173,899.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,601.70 : 528,848.55 = 115,944.90 : x
  2. Step 2: Convert to fraction form
    352,601.70/528,848.55 = 115,944.90/x
  3. Step 3: Cross multiply
    352,601.70x = 528,848.55 × 115,944.90
  4. Step 4: Simplify right side
    352,601.70x = 61,317,292,244.90
  5. Step 5: Solve for x
    x = 61,317,292,244.90/352,601.70
  6. Step 6: Final answer
    x = 173,899.59

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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.