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Finding the Fourth Proportional to 436,999.10, 613,042.90 and 436,999.10

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Solution

The fourth proportional to 436,999.10, 613,042.90 and 436,999.10 is: 613,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,999.10 : 613,042.90 = 436,999.10 : x
  2. Step 2: Convert to fraction form
    436,999.10/613,042.90 = 436,999.10/x
  3. Step 3: Cross multiply
    436,999.10x = 613,042.90 × 436,999.10
  4. Step 4: Simplify right side
    436,999.10x = 267,899,195,561.39
  5. Step 5: Solve for x
    x = 267,899,195,561.39/436,999.10
  6. Step 6: Final answer
    x = 613,042.90

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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.