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Finding the Fourth Proportional to 605,555.90, 835,704.84 and 333,623.75

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Solution

The fourth proportional to 605,555.90, 835,704.84 and 333,623.75 is: 460,421.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,555.90 : 835,704.84 = 333,623.75 : x
  2. Step 2: Convert to fraction form
    605,555.90/835,704.84 = 333,623.75/x
  3. Step 3: Cross multiply
    605,555.90x = 835,704.84 × 333,623.75
  4. Step 4: Simplify right side
    605,555.90x = 278,810,979,686.52
  5. Step 5: Solve for x
    x = 278,810,979,686.52/605,555.90
  6. Step 6: Final answer
    x = 460,421.54

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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.