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Finding the Fourth Proportional to 334,508.67, 461,621.77 and 189,311.82

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Solution

The fourth proportional to 334,508.67, 461,621.77 and 189,311.82 is: 261,250.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,508.67 : 461,621.77 = 189,311.82 : x
  2. Step 2: Convert to fraction form
    334,508.67/461,621.77 = 189,311.82/x
  3. Step 3: Cross multiply
    334,508.67x = 461,621.77 × 189,311.82
  4. Step 4: Simplify right side
    334,508.67x = 87,390,457,430.32
  5. Step 5: Solve for x
    x = 87,390,457,430.32/334,508.67
  6. Step 6: Final answer
    x = 261,250.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.