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Finding the Fourth Proportional to 354,239.60, 488,855.77 and 193,094.69

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Solution

The fourth proportional to 354,239.60, 488,855.77 and 193,094.69 is: 266,473.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,239.60 : 488,855.77 = 193,094.69 : x
  2. Step 2: Convert to fraction form
    354,239.60/488,855.77 = 193,094.69/x
  3. Step 3: Cross multiply
    354,239.60x = 488,855.77 × 193,094.69
  4. Step 4: Simplify right side
    354,239.60x = 94,395,450,435.85
  5. Step 5: Solve for x
    x = 94,395,450,435.85/354,239.60
  6. Step 6: Final answer
    x = 266,473.46

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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.