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Finding the Fourth Proportional to 414,096.30, 621,144.45 and 370,793.70

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Solution

The fourth proportional to 414,096.30, 621,144.45 and 370,793.70 is: 556,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,096.30 : 621,144.45 = 370,793.70 : x
  2. Step 2: Convert to fraction form
    414,096.30/621,144.45 = 370,793.70/x
  3. Step 3: Cross multiply
    414,096.30x = 621,144.45 × 370,793.70
  4. Step 4: Simplify right side
    414,096.30x = 230,316,448,849.97
  5. Step 5: Solve for x
    x = 230,316,448,849.97/414,096.30
  6. Step 6: Final answer
    x = 556,190.55

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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.