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Finding the Fourth Proportional to 229,297.20, 343,254.60 and 201,649.20

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Solution

The fourth proportional to 229,297.20, 343,254.60 and 201,649.20 is: 301,865.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,297.20 : 343,254.60 = 201,649.20 : x
  2. Step 2: Convert to fraction form
    229,297.20/343,254.60 = 201,649.20/x
  3. Step 3: Cross multiply
    229,297.20x = 343,254.60 × 201,649.20
  4. Step 4: Simplify right side
    229,297.20x = 69,217,015,486.32
  5. Step 5: Solve for x
    x = 69,217,015,486.32/229,297.20
  6. Step 6: Final answer
    x = 301,865.94

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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.