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Finding the Fourth Proportional to 631,203.44, 947,097.84 and 276,170.72

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Solution

The fourth proportional to 631,203.44, 947,097.84 and 276,170.72 is: 414,384.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,203.44 : 947,097.84 = 276,170.72 : x
  2. Step 2: Convert to fraction form
    631,203.44/947,097.84 = 276,170.72/x
  3. Step 3: Cross multiply
    631,203.44x = 947,097.84 × 276,170.72
  4. Step 4: Simplify right side
    631,203.44x = 261,560,692,383.25
  5. Step 5: Solve for x
    x = 261,560,692,383.25/631,203.44
  6. Step 6: Final answer
    x = 414,384.14

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1.5x scale

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.