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Finding the Fourth Proportional to 605,388.88, 835,436.65 and 350,887.69

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Solution

The fourth proportional to 605,388.88, 835,436.65 and 350,887.69 is: 484,225.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,388.88 : 835,436.65 = 350,887.69 : x
  2. Step 2: Convert to fraction form
    605,388.88/835,436.65 = 350,887.69/x
  3. Step 3: Cross multiply
    605,388.88x = 835,436.65 × 350,887.69
  4. Step 4: Simplify right side
    605,388.88x = 293,144,432,082.66
  5. Step 5: Solve for x
    x = 293,144,432,082.66/605,388.88
  6. Step 6: Final answer
    x = 484,225.01

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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.