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Finding the Fourth Proportional to 664,390.02, 997,024.72 and 365,079.02

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Solution

The fourth proportional to 664,390.02, 997,024.72 and 365,079.02 is: 547,860.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,390.02 : 997,024.72 = 365,079.02 : x
  2. Step 2: Convert to fraction form
    664,390.02/997,024.72 = 365,079.02/x
  3. Step 3: Cross multiply
    664,390.02x = 997,024.72 × 365,079.02
  4. Step 4: Simplify right side
    664,390.02x = 363,992,811,919.26
  5. Step 5: Solve for x
    x = 363,992,811,919.26/664,390.02
  6. Step 6: Final answer
    x = 547,860.14

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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.