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Finding the Fourth Proportional to 369,537.92, 554,134.56 and 191,997.20

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Solution

The fourth proportional to 369,537.92, 554,134.56 and 191,997.20 is: 287,906.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,537.92 : 554,134.56 = 191,997.20 : x
  2. Step 2: Convert to fraction form
    369,537.92/554,134.56 = 191,997.20/x
  3. Step 3: Cross multiply
    369,537.92x = 554,134.56 × 191,997.20
  4. Step 4: Simplify right side
    369,537.92x = 106,392,283,943.23
  5. Step 5: Solve for x
    x = 106,392,283,943.23/369,537.92
  6. Step 6: Final answer
    x = 287,906.27

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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.