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Finding the Fourth Proportional to 605,420.38, 835,480.06 and 350,919.19

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Solution

The fourth proportional to 605,420.38, 835,480.06 and 350,919.19 is: 484,268.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,420.38 : 835,480.06 = 350,919.19 : x
  2. Step 2: Convert to fraction form
    605,420.38/835,480.06 = 350,919.19/x
  3. Step 3: Cross multiply
    605,420.38x = 835,480.06 × 350,919.19
  4. Step 4: Simplify right side
    605,420.38x = 293,185,985,916.35
  5. Step 5: Solve for x
    x = 293,185,985,916.35/605,420.38
  6. Step 6: Final answer
    x = 484,268.44

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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.