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Finding the Fourth Proportional to 339,355.82, 468,314.89 and 186,397.61

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Solution

The fourth proportional to 339,355.82, 468,314.89 and 186,397.61 is: 257,230.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,355.82 : 468,314.89 = 186,397.61 : x
  2. Step 2: Convert to fraction form
    339,355.82/468,314.89 = 186,397.61/x
  3. Step 3: Cross multiply
    339,355.82x = 468,314.89 × 186,397.61
  4. Step 4: Simplify right side
    339,355.82x = 87,292,773,415.84
  5. Step 5: Solve for x
    x = 87,292,773,415.84/339,355.82
  6. Step 6: Final answer
    x = 257,230.81

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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.