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Finding the Fourth Proportional to 663,062.31, 994,600.43 and 530,783.45

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Solution

The fourth proportional to 663,062.31, 994,600.43 and 530,783.45 is: 796,180.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,062.31 : 994,600.43 = 530,783.45 : x
  2. Step 2: Convert to fraction form
    663,062.31/994,600.43 = 530,783.45/x
  3. Step 3: Cross multiply
    663,062.31x = 994,600.43 × 530,783.45
  4. Step 4: Simplify right side
    663,062.31x = 527,917,439,979.96
  5. Step 5: Solve for x
    x = 527,917,439,979.96/663,062.31
  6. Step 6: Final answer
    x = 796,180.74

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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.