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Finding the Fourth Proportional to 417,487.37, 626,229.36 and 151,185.69

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Solution

The fourth proportional to 417,487.37, 626,229.36 and 151,185.69 is: 226,777.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,487.37 : 626,229.36 = 151,185.69 : x
  2. Step 2: Convert to fraction form
    417,487.37/626,229.36 = 151,185.69/x
  3. Step 3: Cross multiply
    417,487.37x = 626,229.36 × 151,185.69
  4. Step 4: Simplify right side
    417,487.37x = 94,676,917,889.86
  5. Step 5: Solve for x
    x = 94,676,917,889.86/417,487.37
  6. Step 6: Final answer
    x = 226,777.92

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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.