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Finding the Fourth Proportional to 892,671.03, 1,231,882.21 and 484,770.01

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Solution

The fourth proportional to 892,671.03, 1,231,882.21 and 484,770.01 is: 668,980.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,671.03 : 1,231,882.21 = 484,770.01 : x
  2. Step 2: Convert to fraction form
    892,671.03/1,231,882.21 = 484,770.01/x
  3. Step 3: Cross multiply
    892,671.03x = 1,231,882.21 × 484,770.01
  4. Step 4: Simplify right side
    892,671.03x = 597,179,548,836.67
  5. Step 5: Solve for x
    x = 597,179,548,836.67/892,671.03
  6. Step 6: Final answer
    x = 668,980.55

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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.