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Finding the Fourth Proportional to 668,900.50, 923,077.96 and 362,969.10

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Solution

The fourth proportional to 668,900.50, 923,077.96 and 362,969.10 is: 500,894.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,900.50 : 923,077.96 = 362,969.10 : x
  2. Step 2: Convert to fraction form
    668,900.50/923,077.96 = 362,969.10/x
  3. Step 3: Cross multiply
    668,900.50x = 923,077.96 × 362,969.10
  4. Step 4: Simplify right side
    668,900.50x = 335,048,775,463.61
  5. Step 5: Solve for x
    x = 335,048,775,463.61/668,900.50
  6. Step 6: Final answer
    x = 500,894.79

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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.