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Finding the Fourth Proportional to 436,999.60, 613,043.60 and 436,999.60

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Solution

The fourth proportional to 436,999.60, 613,043.60 and 436,999.60 is: 613,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,999.60 : 613,043.60 = 436,999.60 : x
  2. Step 2: Convert to fraction form
    436,999.60/613,043.60 = 436,999.60/x
  3. Step 3: Cross multiply
    436,999.60x = 613,043.60 × 436,999.60
  4. Step 4: Simplify right side
    436,999.60x = 267,899,807,982.56
  5. Step 5: Solve for x
    x = 267,899,807,982.56/436,999.60
  6. Step 6: Final answer
    x = 613,043.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.