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Finding the Fourth Proportional to 668,896.50, 923,072.48 and 362,965.10

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Solution

The fourth proportional to 668,896.50, 923,072.48 and 362,965.10 is: 500,889.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,896.50 : 923,072.48 = 362,965.10 : x
  2. Step 2: Convert to fraction form
    668,896.50/923,072.48 = 362,965.10/x
  3. Step 3: Cross multiply
    668,896.50x = 923,072.48 × 362,965.10
  4. Step 4: Simplify right side
    668,896.50x = 335,043,088,580.26
  5. Step 5: Solve for x
    x = 335,043,088,580.26/668,896.50
  6. Step 6: Final answer
    x = 500,889.28

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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.