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Finding the Fourth Proportional to 307,531.10, 461,296.65 and 167,563.10

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Solution

The fourth proportional to 307,531.10, 461,296.65 and 167,563.10 is: 251,344.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,531.10 : 461,296.65 = 167,563.10 : x
  2. Step 2: Convert to fraction form
    307,531.10/461,296.65 = 167,563.10/x
  3. Step 3: Cross multiply
    307,531.10x = 461,296.65 × 167,563.10
  4. Step 4: Simplify right side
    307,531.10x = 77,296,296,693.62
  5. Step 5: Solve for x
    x = 77,296,296,693.62/307,531.10
  6. Step 6: Final answer
    x = 251,344.65

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1.5x scale

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.