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Finding the Fourth Proportional to 574,370.04, 862,087.02 and 290,260.56

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Solution

The fourth proportional to 574,370.04, 862,087.02 and 290,260.56 is: 435,659.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,370.04 : 862,087.02 = 290,260.56 : x
  2. Step 2: Convert to fraction form
    574,370.04/862,087.02 = 290,260.56/x
  3. Step 3: Cross multiply
    574,370.04x = 862,087.02 × 290,260.56
  4. Step 4: Simplify right side
    574,370.04x = 250,229,861,193.93
  5. Step 5: Solve for x
    x = 250,229,861,193.93/574,370.04
  6. Step 6: Final answer
    x = 435,659.67

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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.