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Finding the Fourth Proportional to 423,864, 585,010.08 and 245,016

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Solution

The fourth proportional to 423,864, 585,010.08 and 245,016 is: 338,167.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,864 : 585,010.08 = 245,016 : x
  2. Step 2: Convert to fraction form
    423,864/585,010.08 = 245,016/x
  3. Step 3: Cross multiply
    423,864x = 585,010.08 × 245,016
  4. Step 4: Simplify right side
    423,864x = 143,336,829,761.28
  5. Step 5: Solve for x
    x = 143,336,829,761.28/423,864
  6. Step 6: Final answer
    x = 338,167.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.