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Finding the Fourth Proportional to 663,070.32, 994,612.44 and 530,791.48

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Solution

The fourth proportional to 663,070.32, 994,612.44 and 530,791.48 is: 796,192.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,070.32 : 994,612.44 = 530,791.48 : x
  2. Step 2: Convert to fraction form
    663,070.32/994,612.44 = 530,791.48/x
  3. Step 3: Cross multiply
    663,070.32x = 994,612.44 × 530,791.48
  4. Step 4: Simplify right side
    663,070.32x = 527,931,809,054.01
  5. Step 5: Solve for x
    x = 527,931,809,054.01/663,070.32
  6. Step 6: Final answer
    x = 796,192.79

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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.