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Finding the Fourth Proportional to 325,395, 488,037.42 and 88,682.22

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Solution

The fourth proportional to 325,395, 488,037.42 and 88,682.22 is: 133,008.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,395 : 488,037.42 = 88,682.22 : x
  2. Step 2: Convert to fraction form
    325,395/488,037.42 = 88,682.22/x
  3. Step 3: Cross multiply
    325,395x = 488,037.42 × 88,682.22
  4. Step 4: Simplify right side
    325,395x = 43,280,241,848.67
  5. Step 5: Solve for x
    x = 43,280,241,848.67/325,395
  6. Step 6: Final answer
    x = 133,008.32

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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.