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Finding the Fourth Proportional to 366,924.15, 550,386.23 and 156,972.15

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Solution

The fourth proportional to 366,924.15, 550,386.23 and 156,972.15 is: 235,458.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,924.15 : 550,386.23 = 156,972.15 : x
  2. Step 2: Convert to fraction form
    366,924.15/550,386.23 = 156,972.15/x
  3. Step 3: Cross multiply
    366,924.15x = 550,386.23 × 156,972.15
  4. Step 4: Simplify right side
    366,924.15x = 86,395,309,853.49
  5. Step 5: Solve for x
    x = 86,395,309,853.49/366,924.15
  6. Step 6: Final answer
    x = 235,458.23

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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.