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Finding the Fourth Proportional to 366,951.83, 550,400.40 and 153,664.65

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Solution

The fourth proportional to 366,951.83, 550,400.40 and 153,664.65 is: 230,485.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,951.83 : 550,400.40 = 153,664.65 : x
  2. Step 2: Convert to fraction form
    366,951.83/550,400.40 = 153,664.65/x
  3. Step 3: Cross multiply
    366,951.83x = 550,400.40 × 153,664.65
  4. Step 4: Simplify right side
    366,951.83x = 84,577,084,825.86
  5. Step 5: Solve for x
    x = 84,577,084,825.86/366,951.83
  6. Step 6: Final answer
    x = 230,485.53

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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.