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Finding the Fourth Proportional to 335,239.16, 502,854.48 and 82,522.80

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Solution

The fourth proportional to 335,239.16, 502,854.48 and 82,522.80 is: 123,783.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,239.16 : 502,854.48 = 82,522.80 : x
  2. Step 2: Convert to fraction form
    335,239.16/502,854.48 = 82,522.80/x
  3. Step 3: Cross multiply
    335,239.16x = 502,854.48 × 82,522.80
  4. Step 4: Simplify right side
    335,239.16x = 41,496,959,682.14
  5. Step 5: Solve for x
    x = 41,496,959,682.14/335,239.16
  6. Step 6: Final answer
    x = 123,783.15

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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.