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Finding the Fourth Proportional to 401,103.21, 601,523.58 and 187,805.10

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Solution

The fourth proportional to 401,103.21, 601,523.58 and 187,805.10 is: 281,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,103.21 : 601,523.58 = 187,805.10 : x
  2. Step 2: Convert to fraction form
    401,103.21/601,523.58 = 187,805.10/x
  3. Step 3: Cross multiply
    401,103.21x = 601,523.58 × 187,805.10
  4. Step 4: Simplify right side
    401,103.21x = 112,969,196,094.26
  5. Step 5: Solve for x
    x = 112,969,196,094.26/401,103.21
  6. Step 6: Final answer
    x = 281,646.20

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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.