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Finding the Fourth Proportional to 436,105.04, 653,691 and 225,530.96

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Solution

The fourth proportional to 436,105.04, 653,691 and 225,530.96 is: 338,055.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,105.04 : 653,691 = 225,530.96 : x
  2. Step 2: Convert to fraction form
    436,105.04/653,691 = 225,530.96/x
  3. Step 3: Cross multiply
    436,105.04x = 653,691 × 225,530.96
  4. Step 4: Simplify right side
    436,105.04x = 147,427,558,773.36
  5. Step 5: Solve for x
    x = 147,427,558,773.36/436,105.04
  6. Step 6: Final answer
    x = 338,055.16

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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.