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Finding the Fourth Proportional to 662,100.91, 993,199.54 and 277,463.68

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Solution

The fourth proportional to 662,100.91, 993,199.54 and 277,463.68 is: 416,215.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,100.91 : 993,199.54 = 277,463.68 : x
  2. Step 2: Convert to fraction form
    662,100.91/993,199.54 = 277,463.68/x
  3. Step 3: Cross multiply
    662,100.91x = 993,199.54 × 277,463.68
  4. Step 4: Simplify right side
    662,100.91x = 275,576,799,342.71
  5. Step 5: Solve for x
    x = 275,576,799,342.71/662,100.91
  6. Step 6: Final answer
    x = 416,215.71

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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.