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Finding the Fourth Proportional to 403,766.70, 605,650.05 and 373,353.90

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Solution

The fourth proportional to 403,766.70, 605,650.05 and 373,353.90 is: 560,030.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,766.70 : 605,650.05 = 373,353.90 : x
  2. Step 2: Convert to fraction form
    403,766.70/605,650.05 = 373,353.90/x
  3. Step 3: Cross multiply
    403,766.70x = 605,650.05 × 373,353.90
  4. Step 4: Simplify right side
    403,766.70x = 226,121,808,202.70
  5. Step 5: Solve for x
    x = 226,121,808,202.70/403,766.70
  6. Step 6: Final answer
    x = 560,030.85

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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.