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Finding the Fourth Proportional to 246,940.44, 340,775.28 and 139,510.32

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Solution

The fourth proportional to 246,940.44, 340,775.28 and 139,510.32 is: 192,522.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,940.44 : 340,775.28 = 139,510.32 : x
  2. Step 2: Convert to fraction form
    246,940.44/340,775.28 = 139,510.32/x
  3. Step 3: Cross multiply
    246,940.44x = 340,775.28 × 139,510.32
  4. Step 4: Simplify right side
    246,940.44x = 47,541,668,360.89
  5. Step 5: Solve for x
    x = 47,541,668,360.89/246,940.44
  6. Step 6: Final answer
    x = 192,522.81

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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.