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Finding the Fourth Proportional to 373,415.70, 559,455.30 and 227,089.20

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Solution

The fourth proportional to 373,415.70, 559,455.30 and 227,089.20 is: 340,227.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,415.70 : 559,455.30 = 227,089.20 : x
  2. Step 2: Convert to fraction form
    373,415.70/559,455.30 = 227,089.20/x
  3. Step 3: Cross multiply
    373,415.70x = 559,455.30 × 227,089.20
  4. Step 4: Simplify right side
    373,415.70x = 127,046,256,512.76
  5. Step 5: Solve for x
    x = 127,046,256,512.76/373,415.70
  6. Step 6: Final answer
    x = 340,227.41

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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.