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Finding the Fourth Proportional to 401,104.44, 601,665.30 and 134,873.40

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Solution

The fourth proportional to 401,104.44, 601,665.30 and 134,873.40 is: 202,313.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,104.44 : 601,665.30 = 134,873.40 : x
  2. Step 2: Convert to fraction form
    401,104.44/601,665.30 = 134,873.40/x
  3. Step 3: Cross multiply
    401,104.44x = 601,665.30 × 134,873.40
  4. Step 4: Simplify right side
    401,104.44x = 81,148,644,673.02
  5. Step 5: Solve for x
    x = 81,148,644,673.02/401,104.44
  6. Step 6: Final answer
    x = 202,313.01

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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.