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Finding the Fourth Proportional to 401,049.30, 601,573.95 and 251,750.10

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Solution

The fourth proportional to 401,049.30, 601,573.95 and 251,750.10 is: 377,625.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,049.30 : 601,573.95 = 251,750.10 : x
  2. Step 2: Convert to fraction form
    401,049.30/601,573.95 = 251,750.10/x
  3. Step 3: Cross multiply
    401,049.30x = 601,573.95 × 251,750.10
  4. Step 4: Simplify right side
    401,049.30x = 151,446,302,069.90
  5. Step 5: Solve for x
    x = 151,446,302,069.90/401,049.30
  6. Step 6: Final answer
    x = 377,625.15

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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.