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Finding the Fourth Proportional to 436,237.92, 654,357.28 and 136,741.92

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Solution

The fourth proportional to 436,237.92, 654,357.28 and 136,741.92 is: 205,113.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,237.92 : 654,357.28 = 136,741.92 : x
  2. Step 2: Convert to fraction form
    436,237.92/654,357.28 = 136,741.92/x
  3. Step 3: Cross multiply
    436,237.92x = 654,357.28 × 136,741.92
  4. Step 4: Simplify right side
    436,237.92x = 89,478,070,833.18
  5. Step 5: Solve for x
    x = 89,478,070,833.18/436,237.92
  6. Step 6: Final answer
    x = 205,113.01

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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.