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Finding the Fourth Proportional to 663,043.49, 994,572.32 and 530,764.62

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Solution

The fourth proportional to 663,043.49, 994,572.32 and 530,764.62 is: 796,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,043.49 : 994,572.32 = 530,764.62 : x
  2. Step 2: Convert to fraction form
    663,043.49/994,572.32 = 530,764.62/x
  3. Step 3: Cross multiply
    663,043.49x = 994,572.32 × 530,764.62
  4. Step 4: Simplify right side
    663,043.49x = 527,883,796,833.50
  5. Step 5: Solve for x
    x = 527,883,796,833.50/663,043.49
  6. Step 6: Final answer
    x = 796,152.60

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Double scale
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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.