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Finding the Fourth Proportional to 605,364.42, 835,402.86 and 350,863.23

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Solution

The fourth proportional to 605,364.42, 835,402.86 and 350,863.23 is: 484,191.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,364.42 : 835,402.86 = 350,863.23 : x
  2. Step 2: Convert to fraction form
    605,364.42/835,402.86 = 350,863.23/x
  3. Step 3: Cross multiply
    605,364.42x = 835,402.86 × 350,863.23
  4. Step 4: Simplify right side
    605,364.42x = 293,112,145,810.84
  5. Step 5: Solve for x
    x = 293,112,145,810.84/605,364.42
  6. Step 6: Final answer
    x = 484,191.23

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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.