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Finding the Fourth Proportional to 366,886.60, 550,329.90 and 156,934.60

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Solution

The fourth proportional to 366,886.60, 550,329.90 and 156,934.60 is: 235,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,886.60 : 550,329.90 = 156,934.60 : x
  2. Step 2: Convert to fraction form
    366,886.60/550,329.90 = 156,934.60/x
  3. Step 3: Cross multiply
    366,886.60x = 550,329.90 × 156,934.60
  4. Step 4: Simplify right side
    366,886.60x = 86,365,802,724.54
  5. Step 5: Solve for x
    x = 86,365,802,724.54/366,886.60
  6. Step 6: Final answer
    x = 235,401.90

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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.