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Finding the Fourth Proportional to 544,693.27, 817,039.98 and 145,335.53

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Solution

The fourth proportional to 544,693.27, 817,039.98 and 145,335.53 is: 218,003.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,693.27 : 817,039.98 = 145,335.53 : x
  2. Step 2: Convert to fraction form
    544,693.27/817,039.98 = 145,335.53/x
  3. Step 3: Cross multiply
    544,693.27x = 817,039.98 × 145,335.53
  4. Step 4: Simplify right side
    544,693.27x = 118,744,933,712.61
  5. Step 5: Solve for x
    x = 118,744,933,712.61/544,693.27
  6. Step 6: Final answer
    x = 218,003.31

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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.