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Finding the Fourth Proportional to 234,369.32, 323,406.54 and 130,984.43

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Solution

The fourth proportional to 234,369.32, 323,406.54 and 130,984.43 is: 180,745.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,369.32 : 323,406.54 = 130,984.43 : x
  2. Step 2: Convert to fraction form
    234,369.32/323,406.54 = 130,984.43/x
  3. Step 3: Cross multiply
    234,369.32x = 323,406.54 × 130,984.43
  4. Step 4: Simplify right side
    234,369.32x = 42,361,219,683.14
  5. Step 5: Solve for x
    x = 42,361,219,683.14/234,369.32
  6. Step 6: Final answer
    x = 180,745.59

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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.