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Finding the Fourth Proportional to 1,482,696, 2,224,063.44 and 485,424

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Solution

The fourth proportional to 1,482,696, 2,224,063.44 and 485,424 is: 728,142.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482,696 : 2,224,063.44 = 485,424 : x
  2. Step 2: Convert to fraction form
    1,482,696/2,224,063.44 = 485,424/x
  3. Step 3: Cross multiply
    1,482,696x = 2,224,063.44 × 485,424
  4. Step 4: Simplify right side
    1,482,696x = 1,079,613,771,298.56
  5. Step 5: Solve for x
    x = 1,079,613,771,298.56/1,482,696
  6. Step 6: Final answer
    x = 728,142.36

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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.