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Finding the Fourth Proportional to 333,856.27, 500,802.65 and 84,540.43

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Solution

The fourth proportional to 333,856.27, 500,802.65 and 84,540.43 is: 126,815.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,856.27 : 500,802.65 = 84,540.43 : x
  2. Step 2: Convert to fraction form
    333,856.27/500,802.65 = 84,540.43/x
  3. Step 3: Cross multiply
    333,856.27x = 500,802.65 × 84,540.43
  4. Step 4: Simplify right side
    333,856.27x = 42,338,070,953.44
  5. Step 5: Solve for x
    x = 42,338,070,953.44/333,856.27
  6. Step 6: Final answer
    x = 126,815.26

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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.