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Finding the Fourth Proportional to 339,993.48, 469,184.34 and 189,087.24

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Solution

The fourth proportional to 339,993.48, 469,184.34 and 189,087.24 is: 260,936.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,993.48 : 469,184.34 = 189,087.24 : x
  2. Step 2: Convert to fraction form
    339,993.48/469,184.34 = 189,087.24/x
  3. Step 3: Cross multiply
    339,993.48x = 469,184.34 × 189,087.24
  4. Step 4: Simplify right side
    339,993.48x = 88,716,771,901.82
  5. Step 5: Solve for x
    x = 88,716,771,901.82/339,993.48
  6. Step 6: Final answer
    x = 260,936.69

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1.5x scale

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.