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Finding the Fourth Proportional to 605,399.88, 835,549.38 and 350,897.88

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Solution

The fourth proportional to 605,399.88, 835,549.38 and 350,897.88 is: 484,295.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,399.88 : 835,549.38 = 350,897.88 : x
  2. Step 2: Convert to fraction form
    605,399.88/835,549.38 = 350,897.88/x
  3. Step 3: Cross multiply
    605,399.88x = 835,549.38 × 350,897.88
  4. Step 4: Simplify right side
    605,399.88x = 293,192,506,077.31
  5. Step 5: Solve for x
    x = 293,192,506,077.31/605,399.88
  6. Step 6: Final answer
    x = 484,295.61

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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.