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Finding the Fourth Proportional to 663,061.81, 994,599.67 and 530,782.94

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Solution

The fourth proportional to 663,061.81, 994,599.67 and 530,782.94 is: 796,179.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,061.81 : 994,599.67 = 530,782.94 : x
  2. Step 2: Convert to fraction form
    663,061.81/994,599.67 = 530,782.94/x
  3. Step 3: Cross multiply
    663,061.81x = 994,599.67 × 530,782.94
  4. Step 4: Simplify right side
    663,061.81x = 527,916,536,965.63
  5. Step 5: Solve for x
    x = 527,916,536,965.63/663,061.81
  6. Step 6: Final answer
    x = 796,179.98

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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.