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Finding the Fourth Proportional to 436,164.60, 654,246.90 and 404,671.80

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Solution

The fourth proportional to 436,164.60, 654,246.90 and 404,671.80 is: 607,007.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,164.60 : 654,246.90 = 404,671.80 : x
  2. Step 2: Convert to fraction form
    436,164.60/654,246.90 = 404,671.80/x
  3. Step 3: Cross multiply
    436,164.60x = 654,246.90 × 404,671.80
  4. Step 4: Simplify right side
    436,164.60x = 264,755,270,667.42
  5. Step 5: Solve for x
    x = 264,755,270,667.42/436,164.60
  6. Step 6: Final answer
    x = 607,007.70

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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.