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Finding the Fourth Proportional to 401,555.45, 602,113.14 and 185,179.29

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Solution

The fourth proportional to 401,555.45, 602,113.14 and 185,179.29 is: 277,667.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,555.45 : 602,113.14 = 185,179.29 : x
  2. Step 2: Convert to fraction form
    401,555.45/602,113.14 = 185,179.29/x
  3. Step 3: Cross multiply
    401,555.45x = 602,113.14 × 185,179.29
  4. Step 4: Simplify right side
    401,555.45x = 111,498,882,838.97
  5. Step 5: Solve for x
    x = 111,498,882,838.97/401,555.45
  6. Step 6: Final answer
    x = 277,667.46

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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.