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Finding the Fourth Proportional to 671,900.80, 927,224.36 and 365,976.24

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Solution

The fourth proportional to 671,900.80, 927,224.36 and 365,976.24 is: 505,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,900.80 : 927,224.36 = 365,976.24 : x
  2. Step 2: Convert to fraction form
    671,900.80/927,224.36 = 365,976.24/x
  3. Step 3: Cross multiply
    671,900.80x = 927,224.36 × 365,976.24
  4. Step 4: Simplify right side
    671,900.80x = 339,342,084,909.21
  5. Step 5: Solve for x
    x = 339,342,084,909.21/671,900.80
  6. Step 6: Final answer
    x = 505,047.90

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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.