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Finding the Fourth Proportional to 450,181.87, 674,649.51 and 225,256.21

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Solution

The fourth proportional to 450,181.87, 674,649.51 and 225,256.21 is: 337,572.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,181.87 : 674,649.51 = 225,256.21 : x
  2. Step 2: Convert to fraction form
    450,181.87/674,649.51 = 225,256.21/x
  3. Step 3: Cross multiply
    450,181.87x = 674,649.51 × 225,256.21
  4. Step 4: Simplify right side
    450,181.87x = 151,968,991,700.96
  5. Step 5: Solve for x
    x = 151,968,991,700.96/450,181.87
  6. Step 6: Final answer
    x = 337,572.44

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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.