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Finding the Fourth Proportional to 436,114.80, 654,366.60 and 199,335.60

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Solution

The fourth proportional to 436,114.80, 654,366.60 and 199,335.60 is: 299,092.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,114.80 : 654,366.60 = 199,335.60 : x
  2. Step 2: Convert to fraction form
    436,114.80/654,366.60 = 199,335.60/x
  3. Step 3: Cross multiply
    436,114.80x = 654,366.60 × 199,335.60
  4. Step 4: Simplify right side
    436,114.80x = 130,438,558,830.96
  5. Step 5: Solve for x
    x = 130,438,558,830.96/436,114.80
  6. Step 6: Final answer
    x = 299,092.25

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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.