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Finding the Fourth Proportional to 338,126.44, 507,116.22 and 101,405.56

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Solution

The fourth proportional to 338,126.44, 507,116.22 and 101,405.56 is: 152,086.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,126.44 : 507,116.22 = 101,405.56 : x
  2. Step 2: Convert to fraction form
    338,126.44/507,116.22 = 101,405.56/x
  3. Step 3: Cross multiply
    338,126.44x = 507,116.22 × 101,405.56
  4. Step 4: Simplify right side
    338,126.44x = 51,424,404,274.18
  5. Step 5: Solve for x
    x = 51,424,404,274.18/338,126.44
  6. Step 6: Final answer
    x = 152,086.32

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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.