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Finding the Fourth Proportional to 605,367.55, 835,407.17 and 350,866.36

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Solution

The fourth proportional to 605,367.55, 835,407.17 and 350,866.36 is: 484,195.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,367.55 : 835,407.17 = 350,866.36 : x
  2. Step 2: Convert to fraction form
    605,367.55/835,407.17 = 350,866.36/x
  3. Step 3: Cross multiply
    605,367.55x = 835,407.17 × 350,866.36
  4. Step 4: Simplify right side
    605,367.55x = 293,116,268,678.77
  5. Step 5: Solve for x
    x = 293,116,268,678.77/605,367.55
  6. Step 6: Final answer
    x = 484,195.55

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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.