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Finding the Fourth Proportional to 668,924.33, 923,110.75 and 362,993.00

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Solution

The fourth proportional to 668,924.33, 923,110.75 and 362,993.00 is: 500,927.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,924.33 : 923,110.75 = 362,993.00 : x
  2. Step 2: Convert to fraction form
    668,924.33/923,110.75 = 362,993.00/x
  3. Step 3: Cross multiply
    668,924.33x = 923,110.75 × 362,993.00
  4. Step 4: Simplify right side
    668,924.33x = 335,082,741,875.04
  5. Step 5: Solve for x
    x = 335,082,741,875.04/668,924.33
  6. Step 6: Final answer
    x = 500,927.72

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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.