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Finding the Fourth Proportional to 366,229.60, 548,934.80 and 208,533.60

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Solution

The fourth proportional to 366,229.60, 548,934.80 and 208,533.60 is: 312,567.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,229.60 : 548,934.80 = 208,533.60 : x
  2. Step 2: Convert to fraction form
    366,229.60/548,934.80 = 208,533.60/x
  3. Step 3: Cross multiply
    366,229.60x = 548,934.80 × 208,533.60
  4. Step 4: Simplify right side
    366,229.60x = 114,471,350,009.28
  5. Step 5: Solve for x
    x = 114,471,350,009.28/366,229.60
  6. Step 6: Final answer
    x = 312,567.17

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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.