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Finding the Fourth Proportional to 373,186.20, 559,852.20 and 148,508.40

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Solution

The fourth proportional to 373,186.20, 559,852.20 and 148,508.40 is: 222,791.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,186.20 : 559,852.20 = 148,508.40 : x
  2. Step 2: Convert to fraction form
    373,186.20/559,852.20 = 148,508.40/x
  3. Step 3: Cross multiply
    373,186.20x = 559,852.20 × 148,508.40
  4. Step 4: Simplify right side
    373,186.20x = 83,142,754,458.48
  5. Step 5: Solve for x
    x = 83,142,754,458.48/373,186.20
  6. Step 6: Final answer
    x = 222,791.61

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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.