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Finding the Fourth Proportional to 367,056.30, 550,908.45 and 217,109.10

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Solution

The fourth proportional to 367,056.30, 550,908.45 and 217,109.10 is: 325,855.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,056.30 : 550,908.45 = 217,109.10 : x
  2. Step 2: Convert to fraction form
    367,056.30/550,908.45 = 217,109.10/x
  3. Step 3: Cross multiply
    367,056.30x = 550,908.45 × 217,109.10
  4. Step 4: Simplify right side
    367,056.30x = 119,607,237,761.90
  5. Step 5: Solve for x
    x = 119,607,237,761.90/367,056.30
  6. Step 6: Final answer
    x = 325,855.29

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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.