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Finding the Fourth Proportional to 484,768.88, 727,186.52 and 164,790.53

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Solution

The fourth proportional to 484,768.88, 727,186.52 and 164,790.53 is: 247,197.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,768.88 : 727,186.52 = 164,790.53 : x
  2. Step 2: Convert to fraction form
    484,768.88/727,186.52 = 164,790.53/x
  3. Step 3: Cross multiply
    484,768.88x = 727,186.52 × 164,790.53
  4. Step 4: Simplify right side
    484,768.88x = 119,833,452,039.66
  5. Step 5: Solve for x
    x = 119,833,452,039.66/484,768.88
  6. Step 6: Final answer
    x = 247,197.08

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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.