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Finding the Fourth Proportional to 226,602.61, 339,597.72 and 86,284.69

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Solution

The fourth proportional to 226,602.61, 339,597.72 and 86,284.69 is: 129,310.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,602.61 : 339,597.72 = 86,284.69 : x
  2. Step 2: Convert to fraction form
    226,602.61/339,597.72 = 86,284.69/x
  3. Step 3: Cross multiply
    226,602.61x = 339,597.72 × 86,284.69
  4. Step 4: Simplify right side
    226,602.61x = 29,302,083,994.91
  5. Step 5: Solve for x
    x = 29,302,083,994.91/226,602.61
  6. Step 6: Final answer
    x = 129,310.44

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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.