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Finding the Fourth Proportional to 605,328.87, 835,391.78 and 333,396.71

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Solution

The fourth proportional to 605,328.87, 835,391.78 and 333,396.71 is: 460,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,328.87 : 835,391.78 = 333,396.71 : x
  2. Step 2: Convert to fraction form
    605,328.87/835,391.78 = 333,396.71/x
  3. Step 3: Cross multiply
    605,328.87x = 835,391.78 × 333,396.71
  4. Step 4: Simplify right side
    605,328.87x = 278,516,869,346.06
  5. Step 5: Solve for x
    x = 278,516,869,346.06/605,328.87
  6. Step 6: Final answer
    x = 460,108.35

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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.