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Finding the Fourth Proportional to 449,500.24, 620,308.44 and 248,296.24

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Solution

The fourth proportional to 449,500.24, 620,308.44 and 248,296.24 is: 342,647.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,500.24 : 620,308.44 = 248,296.24 : x
  2. Step 2: Convert to fraction form
    449,500.24/620,308.44 = 248,296.24/x
  3. Step 3: Cross multiply
    449,500.24x = 620,308.44 × 248,296.24
  4. Step 4: Simplify right side
    449,500.24x = 154,020,253,292.27
  5. Step 5: Solve for x
    x = 154,020,253,292.27/449,500.24
  6. Step 6: Final answer
    x = 342,647.77

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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.