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Finding the Fourth Proportional to 476,650.82, 715,000.82 and 121,667.91

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Solution

The fourth proportional to 476,650.82, 715,000.82 and 121,667.91 is: 182,508.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,650.82 : 715,000.82 = 121,667.91 : x
  2. Step 2: Convert to fraction form
    476,650.82/715,000.82 = 121,667.91/x
  3. Step 3: Cross multiply
    476,650.82x = 715,000.82 × 121,667.91
  4. Step 4: Simplify right side
    476,650.82x = 86,992,654,809.35
  5. Step 5: Solve for x
    x = 86,992,654,809.35/476,650.82
  6. Step 6: Final answer
    x = 182,508.14

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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.