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Finding the Fourth Proportional to 401,553.68, 602,110.56 and 185,177.54

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Solution

The fourth proportional to 401,553.68, 602,110.56 and 185,177.54 is: 277,664.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,553.68 : 602,110.56 = 185,177.54 : x
  2. Step 2: Convert to fraction form
    401,553.68/602,110.56 = 185,177.54/x
  3. Step 3: Cross multiply
    401,553.68x = 602,110.56 × 185,177.54
  4. Step 4: Simplify right side
    401,553.68x = 111,497,352,308.82
  5. Step 5: Solve for x
    x = 111,497,352,308.82/401,553.68
  6. Step 6: Final answer
    x = 277,664.87

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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.