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Finding the Fourth Proportional to 663,071.32, 994,613.94 and 530,792.48

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Solution

The fourth proportional to 663,071.32, 994,613.94 and 530,792.48 is: 796,194.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,071.32 : 994,613.94 = 530,792.48 : x
  2. Step 2: Convert to fraction form
    663,071.32/994,613.94 = 530,792.48/x
  3. Step 3: Cross multiply
    663,071.32x = 994,613.94 × 530,792.48
  4. Step 4: Simplify right side
    663,071.32x = 527,933,599,855.17
  5. Step 5: Solve for x
    x = 527,933,599,855.17/663,071.32
  6. Step 6: Final answer
    x = 796,194.29

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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.