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Finding the Fourth Proportional to 605,381.01, 835,426.76 and 333,449.66

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Solution

The fourth proportional to 605,381.01, 835,426.76 and 333,449.66 is: 460,161.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,381.01 : 835,426.76 = 333,449.66 : x
  2. Step 2: Convert to fraction form
    605,381.01/835,426.76 = 333,449.66/x
  3. Step 3: Cross multiply
    605,381.01x = 835,426.76 × 333,449.66
  4. Step 4: Simplify right side
    605,381.01x = 278,572,763,232.52
  5. Step 5: Solve for x
    x = 278,572,763,232.52/605,381.01
  6. Step 6: Final answer
    x = 460,161.05

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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.