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Finding the Fourth Proportional to 637,448.36, 955,949.68 and 188,049.92

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Solution

The fourth proportional to 637,448.36, 955,949.68 and 188,049.92 is: 282,009.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,448.36 : 955,949.68 = 188,049.92 : x
  2. Step 2: Convert to fraction form
    637,448.36/955,949.68 = 188,049.92/x
  3. Step 3: Cross multiply
    637,448.36x = 955,949.68 × 188,049.92
  4. Step 4: Simplify right side
    637,448.36x = 179,766,260,848.03
  5. Step 5: Solve for x
    x = 179,766,260,848.03/637,448.36
  6. Step 6: Final answer
    x = 282,009.14

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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.