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Finding the Fourth Proportional to 605,442.12, 835,510.34 and 350,940.94

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Solution

The fourth proportional to 605,442.12, 835,510.34 and 350,940.94 is: 484,298.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,442.12 : 835,510.34 = 350,940.94 : x
  2. Step 2: Convert to fraction form
    605,442.12/835,510.34 = 350,940.94/x
  3. Step 3: Cross multiply
    605,442.12x = 835,510.34 × 350,940.94
  4. Step 4: Simplify right side
    605,442.12x = 293,214,784,099.32
  5. Step 5: Solve for x
    x = 293,214,784,099.32/605,442.12
  6. Step 6: Final answer
    x = 484,298.62

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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.