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Finding the Fourth Proportional to 355,997.07, 533,996.01 and 131,260.14

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Solution

The fourth proportional to 355,997.07, 533,996.01 and 131,260.14 is: 196,890.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,997.07 : 533,996.01 = 131,260.14 : x
  2. Step 2: Convert to fraction form
    355,997.07/533,996.01 = 131,260.14/x
  3. Step 3: Cross multiply
    355,997.07x = 533,996.01 × 131,260.14
  4. Step 4: Simplify right side
    355,997.07x = 70,092,391,032.04
  5. Step 5: Solve for x
    x = 70,092,391,032.04/355,997.07
  6. Step 6: Final answer
    x = 196,890.36

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1.5x scale

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.