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Finding the Fourth Proportional to 401,255.46, 601,987.68 and 176,660.28

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Solution

The fourth proportional to 401,255.46, 601,987.68 and 176,660.28 is: 265,036.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,255.46 : 601,987.68 = 176,660.28 : x
  2. Step 2: Convert to fraction form
    401,255.46/601,987.68 = 176,660.28/x
  3. Step 3: Cross multiply
    401,255.46x = 601,987.68 × 176,660.28
  4. Step 4: Simplify right side
    401,255.46x = 106,347,312,105.35
  5. Step 5: Solve for x
    x = 106,347,312,105.35/401,255.46
  6. Step 6: Final answer
    x = 265,036.42

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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.