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Finding the Fourth Proportional to 663,066.31, 994,606.44 and 530,787.46

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Solution

The fourth proportional to 663,066.31, 994,606.44 and 530,787.46 is: 796,186.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,066.31 : 994,606.44 = 530,787.46 : x
  2. Step 2: Convert to fraction form
    663,066.31/994,606.44 = 530,787.46/x
  3. Step 3: Cross multiply
    663,066.31x = 994,606.44 × 530,787.46
  4. Step 4: Simplify right side
    663,066.31x = 527,924,625,987.24
  5. Step 5: Solve for x
    x = 527,924,625,987.24/663,066.31
  6. Step 6: Final answer
    x = 796,186.77

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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.