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Finding the Fourth Proportional to 307,854.97, 424,605.99 and 264,906.39

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Solution

The fourth proportional to 307,854.97, 424,605.99 and 264,906.39 is: 365,369.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,854.97 : 424,605.99 = 264,906.39 : x
  2. Step 2: Convert to fraction form
    307,854.97/424,605.99 = 264,906.39/x
  3. Step 3: Cross multiply
    307,854.97x = 424,605.99 × 264,906.39
  4. Step 4: Simplify right side
    307,854.97x = 112,480,839,983.28
  5. Step 5: Solve for x
    x = 112,480,839,983.28/307,854.97
  6. Step 6: Final answer
    x = 365,369.58

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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.