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Finding the Fourth Proportional to 373,375.81, 515,297.51 and 230,132.17

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Solution

The fourth proportional to 373,375.81, 515,297.51 and 230,132.17 is: 317,606.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,375.81 : 515,297.51 = 230,132.17 : x
  2. Step 2: Convert to fraction form
    373,375.81/515,297.51 = 230,132.17/x
  3. Step 3: Cross multiply
    373,375.81x = 515,297.51 × 230,132.17
  4. Step 4: Simplify right side
    373,375.81x = 118,586,534,171.90
  5. Step 5: Solve for x
    x = 118,586,534,171.90/373,375.81
  6. Step 6: Final answer
    x = 317,606.37

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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.