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Finding the Fourth Proportional to 572,131.40, 857,150.52 and 267,967.08

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Solution

The fourth proportional to 572,131.40, 857,150.52 and 267,967.08 is: 401,460.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,131.40 : 857,150.52 = 267,967.08 : x
  2. Step 2: Convert to fraction form
    572,131.40/857,150.52 = 267,967.08/x
  3. Step 3: Cross multiply
    572,131.40x = 857,150.52 × 267,967.08
  4. Step 4: Simplify right side
    572,131.40x = 229,688,121,964.88
  5. Step 5: Solve for x
    x = 229,688,121,964.88/572,131.40
  6. Step 6: Final answer
    x = 401,460.44

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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.