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Finding the Fourth Proportional to 458,173.21, 632,250.21 and 276,777.76

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Solution

The fourth proportional to 458,173.21, 632,250.21 and 276,777.76 is: 381,935.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,173.21 : 632,250.21 = 276,777.76 : x
  2. Step 2: Convert to fraction form
    458,173.21/632,250.21 = 276,777.76/x
  3. Step 3: Cross multiply
    458,173.21x = 632,250.21 × 276,777.76
  4. Step 4: Simplify right side
    458,173.21x = 174,992,796,883.33
  5. Step 5: Solve for x
    x = 174,992,796,883.33/458,173.21
  6. Step 6: Final answer
    x = 381,935.90

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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.