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Finding the Fourth Proportional to 630,896.69, 946,291.73 and 204,423.49

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Solution

The fourth proportional to 630,896.69, 946,291.73 and 204,423.49 is: 306,617.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,896.69 : 946,291.73 = 204,423.49 : x
  2. Step 2: Convert to fraction form
    630,896.69/946,291.73 = 204,423.49/x
  3. Step 3: Cross multiply
    630,896.69x = 946,291.73 × 204,423.49
  4. Step 4: Simplify right side
    630,896.69x = 193,444,258,004.74
  5. Step 5: Solve for x
    x = 193,444,258,004.74/630,896.69
  6. Step 6: Final answer
    x = 306,617.96

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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.