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Finding the Fourth Proportional to 356,351.93, 491,371.59 and 227,085.63

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Solution

The fourth proportional to 356,351.93, 491,371.59 and 227,085.63 is: 313,127.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,351.93 : 491,371.59 = 227,085.63 : x
  2. Step 2: Convert to fraction form
    356,351.93/491,371.59 = 227,085.63/x
  3. Step 3: Cross multiply
    356,351.93x = 491,371.59 × 227,085.63
  4. Step 4: Simplify right side
    356,351.93x = 111,583,427,079.25
  5. Step 5: Solve for x
    x = 111,583,427,079.25/356,351.93
  6. Step 6: Final answer
    x = 313,127.05

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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.