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Finding the Fourth Proportional to 673,569, 929,526.44 and 371,763

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Solution

The fourth proportional to 673,569, 929,526.44 and 371,763 is: 513,033.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,569 : 929,526.44 = 371,763 : x
  2. Step 2: Convert to fraction form
    673,569/929,526.44 = 371,763/x
  3. Step 3: Cross multiply
    673,569x = 929,526.44 × 371,763
  4. Step 4: Simplify right side
    673,569x = 345,563,536,054.91
  5. Step 5: Solve for x
    x = 345,563,536,054.91/673,569
  6. Step 6: Final answer
    x = 513,033.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.