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Finding the Fourth Proportional to 544,878.48, 817,348.45 and 165,811.56

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Solution

The fourth proportional to 544,878.48, 817,348.45 and 165,811.56 is: 248,726.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,878.48 : 817,348.45 = 165,811.56 : x
  2. Step 2: Convert to fraction form
    544,878.48/817,348.45 = 165,811.56/x
  3. Step 3: Cross multiply
    544,878.48x = 817,348.45 × 165,811.56
  4. Step 4: Simplify right side
    544,878.48x = 135,525,821,558.08
  5. Step 5: Solve for x
    x = 135,525,821,558.08/544,878.48
  6. Step 6: Final answer
    x = 248,726.69

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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.