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Finding the Fourth Proportional to 628,228.44, 941,798.34 and 254,008.44

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Solution

The fourth proportional to 628,228.44, 941,798.34 and 254,008.44 is: 380,792.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,228.44 : 941,798.34 = 254,008.44 : x
  2. Step 2: Convert to fraction form
    628,228.44/941,798.34 = 254,008.44/x
  3. Step 3: Cross multiply
    628,228.44x = 941,798.34 × 254,008.44
  4. Step 4: Simplify right side
    628,228.44x = 239,224,727,137.99
  5. Step 5: Solve for x
    x = 239,224,727,137.99/628,228.44
  6. Step 6: Final answer
    x = 380,792.58

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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.