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Finding the Fourth Proportional to 663,059.44, 994,596.10 and 530,780.56

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Solution

The fourth proportional to 663,059.44, 994,596.10 and 530,780.56 is: 796,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,059.44 : 994,596.10 = 530,780.56 : x
  2. Step 2: Convert to fraction form
    663,059.44/994,596.10 = 530,780.56/x
  3. Step 3: Cross multiply
    663,059.44x = 994,596.10 × 530,780.56
  4. Step 4: Simplify right side
    663,059.44x = 527,912,274,931.82
  5. Step 5: Solve for x
    x = 527,912,274,931.82/663,059.44
  6. Step 6: Final answer
    x = 796,176.40

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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.