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Finding the Fourth Proportional to 892,601, 1,231,784.94 and 484,699.22

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Solution

The fourth proportional to 892,601, 1,231,784.94 and 484,699.22 is: 668,882.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,601 : 1,231,784.94 = 484,699.22 : x
  2. Step 2: Convert to fraction form
    892,601/1,231,784.94 = 484,699.22/x
  3. Step 3: Cross multiply
    892,601x = 1,231,784.94 × 484,699.22
  4. Step 4: Simplify right side
    892,601x = 597,045,199,625.75
  5. Step 5: Solve for x
    x = 597,045,199,625.75/892,601
  6. Step 6: Final answer
    x = 668,882.51

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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.