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Finding the Fourth Proportional to 544,721.69, 817,213.80 and 170,744.69

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Solution

The fourth proportional to 544,721.69, 817,213.80 and 170,744.69 is: 256,158.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,721.69 : 817,213.80 = 170,744.69 : x
  2. Step 2: Convert to fraction form
    544,721.69/817,213.80 = 170,744.69/x
  3. Step 3: Cross multiply
    544,721.69x = 817,213.80 × 170,744.69
  4. Step 4: Simplify right side
    544,721.69x = 139,534,919,628.05
  5. Step 5: Solve for x
    x = 139,534,919,628.05/544,721.69
  6. Step 6: Final answer
    x = 256,158.18

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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.