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Finding the Fourth Proportional to 484,034.08, 726,120.24 and 151,636

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Solution

The fourth proportional to 484,034.08, 726,120.24 and 151,636 is: 227,475.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,034.08 : 726,120.24 = 151,636 : x
  2. Step 2: Convert to fraction form
    484,034.08/726,120.24 = 151,636/x
  3. Step 3: Cross multiply
    484,034.08x = 726,120.24 × 151,636
  4. Step 4: Simplify right side
    484,034.08x = 110,105,968,712.64
  5. Step 5: Solve for x
    x = 110,105,968,712.64/484,034.08
  6. Step 6: Final answer
    x = 227,475.65

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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.