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Finding the Fourth Proportional to 577,052.59, 865,398.96 and 217,273.48

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Solution

The fourth proportional to 577,052.59, 865,398.96 and 217,273.48 is: 325,842.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,052.59 : 865,398.96 = 217,273.48 : x
  2. Step 2: Convert to fraction form
    577,052.59/865,398.96 = 217,273.48/x
  3. Step 3: Cross multiply
    577,052.59x = 865,398.96 × 217,273.48
  4. Step 4: Simplify right side
    577,052.59x = 188,028,243,627.58
  5. Step 5: Solve for x
    x = 188,028,243,627.58/577,052.59
  6. Step 6: Final answer
    x = 325,842.47

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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.