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Finding the Fourth Proportional to 363,267.15, 544,878.59 and 135,518.91

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Solution

The fourth proportional to 363,267.15, 544,878.59 and 135,518.91 is: 203,270.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,267.15 : 544,878.59 = 135,518.91 : x
  2. Step 2: Convert to fraction form
    363,267.15/544,878.59 = 135,518.91/x
  3. Step 3: Cross multiply
    363,267.15x = 544,878.59 × 135,518.91
  4. Step 4: Simplify right side
    363,267.15x = 73,841,351,921.54
  5. Step 5: Solve for x
    x = 73,841,351,921.54/363,267.15
  6. Step 6: Final answer
    x = 203,270.11

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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.