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Finding the Fourth Proportional to 334,484.63, 501,722.52 and 81,767.33

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Solution

The fourth proportional to 334,484.63, 501,722.52 and 81,767.33 is: 122,649.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,484.63 : 501,722.52 = 81,767.33 : x
  2. Step 2: Convert to fraction form
    334,484.63/501,722.52 = 81,767.33/x
  3. Step 3: Cross multiply
    334,484.63x = 501,722.52 × 81,767.33
  4. Step 4: Simplify right side
    334,484.63x = 41,024,508,352.66
  5. Step 5: Solve for x
    x = 41,024,508,352.66/334,484.63
  6. Step 6: Final answer
    x = 122,649.91

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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.