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Finding the Fourth Proportional to 605,620.88, 835,775.74 and 347,545.04

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Solution

The fourth proportional to 605,620.88, 835,775.74 and 347,545.04 is: 479,623.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,620.88 : 835,775.74 = 347,545.04 : x
  2. Step 2: Convert to fraction form
    605,620.88/835,775.74 = 347,545.04/x
  3. Step 3: Cross multiply
    605,620.88x = 835,775.74 × 347,545.04
  4. Step 4: Simplify right side
    605,620.88x = 290,469,708,810.45
  5. Step 5: Solve for x
    x = 290,469,708,810.45/605,620.88
  6. Step 6: Final answer
    x = 479,623.01

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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.