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Finding the Fourth Proportional to 624,108.26, 861,293.82 and 365,949.32

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Solution

The fourth proportional to 624,108.26, 861,293.82 and 365,949.32 is: 505,024.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,108.26 : 861,293.82 = 365,949.32 : x
  2. Step 2: Convert to fraction form
    624,108.26/861,293.82 = 365,949.32/x
  3. Step 3: Cross multiply
    624,108.26x = 861,293.82 × 365,949.32
  4. Step 4: Simplify right side
    624,108.26x = 315,189,884,815.04
  5. Step 5: Solve for x
    x = 315,189,884,815.04/624,108.26
  6. Step 6: Final answer
    x = 505,024.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.