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Finding the Fourth Proportional to 544,495.33, 816,781.88 and 145,134.01

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Solution

The fourth proportional to 544,495.33, 816,781.88 and 145,134.01 is: 217,711.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,495.33 : 816,781.88 = 145,134.01 : x
  2. Step 2: Convert to fraction form
    544,495.33/816,781.88 = 145,134.01/x
  3. Step 3: Cross multiply
    544,495.33x = 816,781.88 × 145,134.01
  4. Step 4: Simplify right side
    544,495.33x = 118,542,829,539.74
  5. Step 5: Solve for x
    x = 118,542,829,539.74/544,495.33
  6. Step 6: Final answer
    x = 217,711.38

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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.