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Finding the Fourth Proportional to 373,403.70, 559,437.30 and 227,077.20

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Solution

The fourth proportional to 373,403.70, 559,437.30 and 227,077.20 is: 340,209.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,403.70 : 559,437.30 = 227,077.20 : x
  2. Step 2: Convert to fraction form
    373,403.70/559,437.30 = 227,077.20/x
  3. Step 3: Cross multiply
    373,403.70x = 559,437.30 × 227,077.20
  4. Step 4: Simplify right side
    373,403.70x = 127,035,455,659.56
  5. Step 5: Solve for x
    x = 127,035,455,659.56/373,403.70
  6. Step 6: Final answer
    x = 340,209.42

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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.