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Finding the Fourth Proportional to 366,955.45, 550,433.18 and 234,095.20

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Solution

The fourth proportional to 366,955.45, 550,433.18 and 234,095.20 is: 351,142.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,955.45 : 550,433.18 = 234,095.20 : x
  2. Step 2: Convert to fraction form
    366,955.45/550,433.18 = 234,095.20/x
  3. Step 3: Cross multiply
    366,955.45x = 550,433.18 × 234,095.20
  4. Step 4: Simplify right side
    366,955.45x = 128,853,765,358.74
  5. Step 5: Solve for x
    x = 128,853,765,358.74/366,955.45
  6. Step 6: Final answer
    x = 351,142.80

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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.