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Finding the Fourth Proportional to 352,273.60, 528,021.60 and 194,615.20

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Solution

The fourth proportional to 352,273.60, 528,021.60 and 194,615.20 is: 291,708.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,273.60 : 528,021.60 = 194,615.20 : x
  2. Step 2: Convert to fraction form
    352,273.60/528,021.60 = 194,615.20/x
  3. Step 3: Cross multiply
    352,273.60x = 528,021.60 × 194,615.20
  4. Step 4: Simplify right side
    352,273.60x = 102,761,029,288.32
  5. Step 5: Solve for x
    x = 102,761,029,288.32/352,273.60
  6. Step 6: Final answer
    x = 291,708.01

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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.