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Finding the Fourth Proportional to 352,148.60, 528,296.46 and 115,472.60

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Solution

The fourth proportional to 352,148.60, 528,296.46 and 115,472.60 is: 173,233.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,148.60 : 528,296.46 = 115,472.60 : x
  2. Step 2: Convert to fraction form
    352,148.60/528,296.46 = 115,472.60/x
  3. Step 3: Cross multiply
    352,148.60x = 528,296.46 × 115,472.60
  4. Step 4: Simplify right side
    352,148.60x = 61,003,765,807.00
  5. Step 5: Solve for x
    x = 61,003,765,807.00/352,148.60
  6. Step 6: Final answer
    x = 173,233.02

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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.