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Finding the Fourth Proportional to 330,667.95, 496,027.55 and 102,934.95

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Solution

The fourth proportional to 330,667.95, 496,027.55 and 102,934.95 is: 154,410.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,667.95 : 496,027.55 = 102,934.95 : x
  2. Step 2: Convert to fraction form
    330,667.95/496,027.55 = 102,934.95/x
  3. Step 3: Cross multiply
    330,667.95x = 496,027.55 × 102,934.95
  4. Step 4: Simplify right side
    330,667.95x = 51,058,571,666.25
  5. Step 5: Solve for x
    x = 51,058,571,666.25/330,667.95
  6. Step 6: Final answer
    x = 154,410.41

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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.