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Finding the Fourth Proportional to 484,727.86, 727,424 and 169,184.76

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Solution

The fourth proportional to 484,727.86, 727,424 and 169,184.76 is: 253,893.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,727.86 : 727,424 = 169,184.76 : x
  2. Step 2: Convert to fraction form
    484,727.86/727,424 = 169,184.76/x
  3. Step 3: Cross multiply
    484,727.86x = 727,424 × 169,184.76
  4. Step 4: Simplify right side
    484,727.86x = 123,069,054,858.24
  5. Step 5: Solve for x
    x = 123,069,054,858.24/484,727.86
  6. Step 6: Final answer
    x = 253,893.09

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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.