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Finding the Fourth Proportional to 664,391.02, 997,026.22 and 365,080.02

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Solution

The fourth proportional to 664,391.02, 997,026.22 and 365,080.02 is: 547,861.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,391.02 : 997,026.22 = 365,080.02 : x
  2. Step 2: Convert to fraction form
    664,391.02/997,026.22 = 365,080.02/x
  3. Step 3: Cross multiply
    664,391.02x = 997,026.22 × 365,080.02
  4. Step 4: Simplify right side
    664,391.02x = 363,994,352,338.12
  5. Step 5: Solve for x
    x = 363,994,352,338.12/664,391.02
  6. Step 6: Final answer
    x = 547,861.64

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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.