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Finding the Fourth Proportional to 605,389.88, 835,438.03 and 350,888.69

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Solution

The fourth proportional to 605,389.88, 835,438.03 and 350,888.69 is: 484,226.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,389.88 : 835,438.03 = 350,888.69 : x
  2. Step 2: Convert to fraction form
    605,389.88/835,438.03 = 350,888.69/x
  3. Step 3: Cross multiply
    605,389.88x = 835,438.03 × 350,888.69
  4. Step 4: Simplify right side
    605,389.88x = 293,145,755,922.88
  5. Step 5: Solve for x
    x = 293,145,755,922.88/605,389.88
  6. Step 6: Final answer
    x = 484,226.39

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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.