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Finding the Fourth Proportional to 544,245.89, 816,353.79 and 144,890.12

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Solution

The fourth proportional to 544,245.89, 816,353.79 and 144,890.12 is: 217,331.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,245.89 : 816,353.79 = 144,890.12 : x
  2. Step 2: Convert to fraction form
    544,245.89/816,353.79 = 144,890.12/x
  3. Step 3: Cross multiply
    544,245.89x = 816,353.79 × 144,890.12
  4. Step 4: Simplify right side
    544,245.89x = 118,281,596,316.12
  5. Step 5: Solve for x
    x = 118,281,596,316.12/544,245.89
  6. Step 6: Final answer
    x = 217,331.17

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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.