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Finding the Fourth Proportional to 471,195.36, 650,034.72 and 280,100.16

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Solution

The fourth proportional to 471,195.36, 650,034.72 and 280,100.16 is: 386,410.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,195.36 : 650,034.72 = 280,100.16 : x
  2. Step 2: Convert to fraction form
    471,195.36/650,034.72 = 280,100.16/x
  3. Step 3: Cross multiply
    471,195.36x = 650,034.72 × 280,100.16
  4. Step 4: Simplify right side
    471,195.36x = 182,074,829,077.56
  5. Step 5: Solve for x
    x = 182,074,829,077.56/471,195.36
  6. Step 6: Final answer
    x = 386,410.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.