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Finding the Fourth Proportional to 603,267.46, 903,523.02 and 287,945.80

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Solution

The fourth proportional to 603,267.46, 903,523.02 and 287,945.80 is: 431,260.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,267.46 : 903,523.02 = 287,945.80 : x
  2. Step 2: Convert to fraction form
    603,267.46/903,523.02 = 287,945.80/x
  3. Step 3: Cross multiply
    603,267.46x = 903,523.02 × 287,945.80
  4. Step 4: Simplify right side
    603,267.46x = 260,165,658,812.32
  5. Step 5: Solve for x
    x = 260,165,658,812.32/603,267.46
  6. Step 6: Final answer
    x = 431,260.89

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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.