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Finding the Fourth Proportional to 605,371.49, 835,471.60 and 452,143.69

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Solution

The fourth proportional to 605,371.49, 835,471.60 and 452,143.69 is: 624,002.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,371.49 : 835,471.60 = 452,143.69 : x
  2. Step 2: Convert to fraction form
    605,371.49/835,471.60 = 452,143.69/x
  3. Step 3: Cross multiply
    605,371.49x = 835,471.60 × 452,143.69
  4. Step 4: Simplify right side
    605,371.49x = 377,753,208,895.17
  5. Step 5: Solve for x
    x = 377,753,208,895.17/605,371.49
  6. Step 6: Final answer
    x = 624,002.31

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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.