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Finding the Fourth Proportional to 248,857.20, 373,285.80 and 149,324.40

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Solution

The fourth proportional to 248,857.20, 373,285.80 and 149,324.40 is: 223,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,857.20 : 373,285.80 = 149,324.40 : x
  2. Step 2: Convert to fraction form
    248,857.20/373,285.80 = 149,324.40/x
  3. Step 3: Cross multiply
    248,857.20x = 373,285.80 × 149,324.40
  4. Step 4: Simplify right side
    248,857.20x = 55,740,678,113.52
  5. Step 5: Solve for x
    x = 55,740,678,113.52/248,857.20
  6. Step 6: Final answer
    x = 223,986.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.