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Finding the Fourth Proportional to 713,819.19, 985,067.85 and 441,832.94

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Solution

The fourth proportional to 713,819.19, 985,067.85 and 441,832.94 is: 609,727.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,819.19 : 985,067.85 = 441,832.94 : x
  2. Step 2: Convert to fraction form
    713,819.19/985,067.85 = 441,832.94/x
  3. Step 3: Cross multiply
    713,819.19x = 985,067.85 × 441,832.94
  4. Step 4: Simplify right side
    713,819.19x = 435,235,424,264.98
  5. Step 5: Solve for x
    x = 435,235,424,264.98/713,819.19
  6. Step 6: Final answer
    x = 609,727.83

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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.