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Finding the Fourth Proportional to 544,562.70, 816,649.65 and 189,588.30

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Solution

The fourth proportional to 544,562.70, 816,649.65 and 189,588.30 is: 284,314.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,562.70 : 816,649.65 = 189,588.30 : x
  2. Step 2: Convert to fraction form
    544,562.70/816,649.65 = 189,588.30/x
  3. Step 3: Cross multiply
    544,562.70x = 816,649.65 × 189,588.30
  4. Step 4: Simplify right side
    544,562.70x = 154,827,218,839.10
  5. Step 5: Solve for x
    x = 154,827,218,839.10/544,562.70
  6. Step 6: Final answer
    x = 284,314.77

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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.