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Finding the Fourth Proportional to 436,151.60, 654,227.40 and 404,658.80

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Solution

The fourth proportional to 436,151.60, 654,227.40 and 404,658.80 is: 606,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,151.60 : 654,227.40 = 404,658.80 : x
  2. Step 2: Convert to fraction form
    436,151.60/654,227.40 = 404,658.80/x
  3. Step 3: Cross multiply
    436,151.60x = 654,227.40 × 404,658.80
  4. Step 4: Simplify right side
    436,151.60x = 264,738,874,611.12
  5. Step 5: Solve for x
    x = 264,738,874,611.12/436,151.60
  6. Step 6: Final answer
    x = 606,988.20

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1.5x scale

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.