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Finding the Fourth Proportional to 555,180, 832,767.22 and 134,455.88

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Solution

The fourth proportional to 555,180, 832,767.22 and 134,455.88 is: 201,683.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,180 : 832,767.22 = 134,455.88 : x
  2. Step 2: Convert to fraction form
    555,180/832,767.22 = 134,455.88/x
  3. Step 3: Cross multiply
    555,180x = 832,767.22 × 134,455.88
  4. Step 4: Simplify right side
    555,180x = 111,970,449,400.25
  5. Step 5: Solve for x
    x = 111,970,449,400.25/555,180
  6. Step 6: Final answer
    x = 201,683.15

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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.