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Finding the Fourth Proportional to 605,481.52, 835,554 and 350,856.40

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Solution

The fourth proportional to 605,481.52, 835,554 and 350,856.40 is: 484,175.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,481.52 : 835,554 = 350,856.40 : x
  2. Step 2: Convert to fraction form
    605,481.52/835,554 = 350,856.40/x
  3. Step 3: Cross multiply
    605,481.52x = 835,554 × 350,856.40
  4. Step 4: Simplify right side
    605,481.52x = 293,159,468,445.60
  5. Step 5: Solve for x
    x = 293,159,468,445.60/605,481.52
  6. Step 6: Final answer
    x = 484,175.75

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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.