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Finding the Fourth Proportional to 544,618.18, 816,179.90 and 344,580.47

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Solution

The fourth proportional to 544,618.18, 816,179.90 and 344,580.47 is: 516,397.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,618.18 : 816,179.90 = 344,580.47 : x
  2. Step 2: Convert to fraction form
    544,618.18/816,179.90 = 344,580.47/x
  3. Step 3: Cross multiply
    544,618.18x = 816,179.90 × 344,580.47
  4. Step 4: Simplify right side
    544,618.18x = 281,239,652,741.69
  5. Step 5: Solve for x
    x = 281,239,652,741.69/544,618.18
  6. Step 6: Final answer
    x = 516,397.84

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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.