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Finding the Fourth Proportional to 403,793.34, 605,692.32 and 104,253.45

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Solution

The fourth proportional to 403,793.34, 605,692.32 and 104,253.45 is: 156,380.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,793.34 : 605,692.32 = 104,253.45 : x
  2. Step 2: Convert to fraction form
    403,793.34/605,692.32 = 104,253.45/x
  3. Step 3: Cross multiply
    403,793.34x = 605,692.32 × 104,253.45
  4. Step 4: Simplify right side
    403,793.34x = 63,145,513,998.50
  5. Step 5: Solve for x
    x = 63,145,513,998.50/403,793.34
  6. Step 6: Final answer
    x = 156,380.77

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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.