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Finding the Fourth Proportional to 373,168.20, 559,825.20 and 148,490.40

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Solution

The fourth proportional to 373,168.20, 559,825.20 and 148,490.40 is: 222,764.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,168.20 : 559,825.20 = 148,490.40 : x
  2. Step 2: Convert to fraction form
    373,168.20/559,825.20 = 148,490.40/x
  3. Step 3: Cross multiply
    373,168.20x = 559,825.20 × 148,490.40
  4. Step 4: Simplify right side
    373,168.20x = 83,128,667,878.08
  5. Step 5: Solve for x
    x = 83,128,667,878.08/373,168.20
  6. Step 6: Final answer
    x = 222,764.61

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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.