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Finding the Fourth Proportional to 472,195.98, 654,967.62 and 455,173.02

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Solution

The fourth proportional to 472,195.98, 654,967.62 and 455,173.02 is: 631,355.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,195.98 : 654,967.62 = 455,173.02 : x
  2. Step 2: Convert to fraction form
    472,195.98/654,967.62 = 455,173.02/x
  3. Step 3: Cross multiply
    472,195.98x = 654,967.62 × 455,173.02
  4. Step 4: Simplify right side
    472,195.98x = 298,123,589,597.61
  5. Step 5: Solve for x
    x = 298,123,589,597.61/472,195.98
  6. Step 6: Final answer
    x = 631,355.63

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.