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Finding the Fourth Proportional to 417,662.20, 626,352.88 and 151,366.96

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Solution

The fourth proportional to 417,662.20, 626,352.88 and 151,366.96 is: 226,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,662.20 : 626,352.88 = 151,366.96 : x
  2. Step 2: Convert to fraction form
    417,662.20/626,352.88 = 151,366.96/x
  3. Step 3: Cross multiply
    417,662.20x = 626,352.88 × 151,366.96
  4. Step 4: Simplify right side
    417,662.20x = 94,809,131,332.84
  5. Step 5: Solve for x
    x = 94,809,131,332.84/417,662.20
  6. Step 6: Final answer
    x = 226,999.55

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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.