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Finding the Fourth Proportional to 672,314.97, 927,777.60 and 366,399.24

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Solution

The fourth proportional to 672,314.97, 927,777.60 and 366,399.24 is: 505,621.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,314.97 : 927,777.60 = 366,399.24 : x
  2. Step 2: Convert to fraction form
    672,314.97/927,777.60 = 366,399.24/x
  3. Step 3: Cross multiply
    672,314.97x = 927,777.60 × 366,399.24
  4. Step 4: Simplify right side
    672,314.97x = 339,937,007,529.02
  5. Step 5: Solve for x
    x = 339,937,007,529.02/672,314.97
  6. Step 6: Final answer
    x = 505,621.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.