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Finding the Fourth Proportional to 436,184.76, 654,009.16 and 169,634.52

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Solution

The fourth proportional to 436,184.76, 654,009.16 and 169,634.52 is: 254,347.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,184.76 : 654,009.16 = 169,634.52 : x
  2. Step 2: Convert to fraction form
    436,184.76/654,009.16 = 169,634.52/x
  3. Step 3: Cross multiply
    436,184.76x = 654,009.16 × 169,634.52
  4. Step 4: Simplify right side
    436,184.76x = 110,942,529,932.20
  5. Step 5: Solve for x
    x = 110,942,529,932.20/436,184.76
  6. Step 6: Final answer
    x = 254,347.56

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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.