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Finding the Fourth Proportional to 792,768.76, 1,093,709.46 and 453,054.76

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Solution

The fourth proportional to 792,768.76, 1,093,709.46 and 453,054.76 is: 625,037.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,768.76 : 1,093,709.46 = 453,054.76 : x
  2. Step 2: Convert to fraction form
    792,768.76/1,093,709.46 = 453,054.76/x
  3. Step 3: Cross multiply
    792,768.76x = 1,093,709.46 × 453,054.76
  4. Step 4: Simplify right side
    792,768.76x = 495,510,276,910.03
  5. Step 5: Solve for x
    x = 495,510,276,910.03/792,768.76
  6. Step 6: Final answer
    x = 625,037.59

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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.