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Finding the Fourth Proportional to 573,289.20, 858,751.20 and 335,912.40

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Solution

The fourth proportional to 573,289.20, 858,751.20 and 335,912.40 is: 503,175.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,289.20 : 858,751.20 = 335,912.40 : x
  2. Step 2: Convert to fraction form
    573,289.20/858,751.20 = 335,912.40/x
  3. Step 3: Cross multiply
    573,289.20x = 858,751.20 × 335,912.40
  4. Step 4: Simplify right side
    573,289.20x = 288,465,176,594.88
  5. Step 5: Solve for x
    x = 288,465,176,594.88/573,289.20
  6. Step 6: Final answer
    x = 503,175.67

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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.