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Finding the Fourth Proportional to 544,963.50, 817,487.15 and 165,916.76

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Solution

The fourth proportional to 544,963.50, 817,487.15 and 165,916.76 is: 248,887.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,963.50 : 817,487.15 = 165,916.76 : x
  2. Step 2: Convert to fraction form
    544,963.50/817,487.15 = 165,916.76/x
  3. Step 3: Cross multiply
    544,963.50x = 817,487.15 × 165,916.76
  4. Step 4: Simplify right side
    544,963.50x = 135,634,814,352.61
  5. Step 5: Solve for x
    x = 135,634,814,352.61/544,963.50
  6. Step 6: Final answer
    x = 248,887.89

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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.