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Finding the Fourth Proportional to 544,711.60, 816,192.60 and 513,218.80

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Solution

The fourth proportional to 544,711.60, 816,192.60 and 513,218.80 is: 769,003.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,711.60 : 816,192.60 = 513,218.80 : x
  2. Step 2: Convert to fraction form
    544,711.60/816,192.60 = 513,218.80/x
  3. Step 3: Cross multiply
    544,711.60x = 816,192.60 × 513,218.80
  4. Step 4: Simplify right side
    544,711.60x = 418,885,386,740.88
  5. Step 5: Solve for x
    x = 418,885,386,740.88/544,711.60
  6. Step 6: Final answer
    x = 769,003.98

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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.