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Finding the Fourth Proportional to 351,444.44, 485,028.06 and 200,564.12

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Solution

The fourth proportional to 351,444.44, 485,028.06 and 200,564.12 is: 276,798.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,444.44 : 485,028.06 = 200,564.12 : x
  2. Step 2: Convert to fraction form
    351,444.44/485,028.06 = 200,564.12/x
  3. Step 3: Cross multiply
    351,444.44x = 485,028.06 × 200,564.12
  4. Step 4: Simplify right side
    351,444.44x = 97,279,226,029.21
  5. Step 5: Solve for x
    x = 97,279,226,029.21/351,444.44
  6. Step 6: Final answer
    x = 276,798.31

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1.5x scale

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.