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Finding the Fourth Proportional to 633,690.74, 949,311.23 and 352,355.06

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Solution

The fourth proportional to 633,690.74, 949,311.23 and 352,355.06 is: 527,851.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,690.74 : 949,311.23 = 352,355.06 : x
  2. Step 2: Convert to fraction form
    633,690.74/949,311.23 = 352,355.06/x
  3. Step 3: Cross multiply
    633,690.74x = 949,311.23 × 352,355.06
  4. Step 4: Simplify right side
    633,690.74x = 334,494,608,896.99
  5. Step 5: Solve for x
    x = 334,494,608,896.99/633,690.74
  6. Step 6: Final answer
    x = 527,851.51

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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.