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Finding the Fourth Proportional to 373,192.20, 559,861.20 and 148,514.40

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Solution

The fourth proportional to 373,192.20, 559,861.20 and 148,514.40 is: 222,800.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,192.20 : 559,861.20 = 148,514.40 : x
  2. Step 2: Convert to fraction form
    373,192.20/559,861.20 = 148,514.40/x
  3. Step 3: Cross multiply
    373,192.20x = 559,861.20 × 148,514.40
  4. Step 4: Simplify right side
    373,192.20x = 83,147,450,201.28
  5. Step 5: Solve for x
    x = 83,147,450,201.28/373,192.20
  6. Step 6: Final answer
    x = 222,800.61

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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.