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Finding the Fourth Proportional to 605,686.92, 835,847.98 and 351,185.74

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Solution

The fourth proportional to 605,686.92, 835,847.98 and 351,185.74 is: 484,636.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,686.92 : 835,847.98 = 351,185.74 : x
  2. Step 2: Convert to fraction form
    605,686.92/835,847.98 = 351,185.74/x
  3. Step 3: Cross multiply
    605,686.92x = 835,847.98 × 351,185.74
  4. Step 4: Simplify right side
    605,686.92x = 293,537,891,383.81
  5. Step 5: Solve for x
    x = 293,537,891,383.81/605,686.92
  6. Step 6: Final answer
    x = 484,636.34

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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.