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Finding the Fourth Proportional to 314,682.56, 471,921.76 and 104,264

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Solution

The fourth proportional to 314,682.56, 471,921.76 and 104,264 is: 156,362.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,682.56 : 471,921.76 = 104,264 : x
  2. Step 2: Convert to fraction form
    314,682.56/471,921.76 = 104,264/x
  3. Step 3: Cross multiply
    314,682.56x = 471,921.76 × 104,264
  4. Step 4: Simplify right side
    314,682.56x = 49,204,450,384.64
  5. Step 5: Solve for x
    x = 49,204,450,384.64/314,682.56
  6. Step 6: Final answer
    x = 156,362.18

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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.