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Finding the Fourth Proportional to 707,183.41, 975,913.11 and 384,895.85

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Solution

The fourth proportional to 707,183.41, 975,913.11 and 384,895.85 is: 531,156.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,183.41 : 975,913.11 = 384,895.85 : x
  2. Step 2: Convert to fraction form
    707,183.41/975,913.11 = 384,895.85/x
  3. Step 3: Cross multiply
    707,183.41x = 975,913.11 × 384,895.85
  4. Step 4: Simplify right side
    707,183.41x = 375,624,906,609.54
  5. Step 5: Solve for x
    x = 375,624,906,609.54/707,183.41
  6. Step 6: Final answer
    x = 531,156.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.