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Finding the Fourth Proportional to 403,750.70, 605,626.05 and 373,337.90

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Solution

The fourth proportional to 403,750.70, 605,626.05 and 373,337.90 is: 560,006.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,750.70 : 605,626.05 = 373,337.90 : x
  2. Step 2: Convert to fraction form
    403,750.70/605,626.05 = 373,337.90/x
  3. Step 3: Cross multiply
    403,750.70x = 605,626.05 × 373,337.90
  4. Step 4: Simplify right side
    403,750.70x = 226,103,157,692.30
  5. Step 5: Solve for x
    x = 226,103,157,692.30/403,750.70
  6. Step 6: Final answer
    x = 560,006.85

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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.