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Finding the Fourth Proportional to 366,910.60, 550,463.10 and 130,228.60

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Solution

The fourth proportional to 366,910.60, 550,463.10 and 130,228.60 is: 195,377.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,910.60 : 550,463.10 = 130,228.60 : x
  2. Step 2: Convert to fraction form
    366,910.60/550,463.10 = 130,228.60/x
  3. Step 3: Cross multiply
    366,910.60x = 550,463.10 × 130,228.60
  4. Step 4: Simplify right side
    366,910.60x = 71,686,038,864.66
  5. Step 5: Solve for x
    x = 71,686,038,864.66/366,910.60
  6. Step 6: Final answer
    x = 195,377.40

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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.