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Finding the Fourth Proportional to 663,067.77, 994,608.59 and 530,788.92

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Solution

The fourth proportional to 663,067.77, 994,608.59 and 530,788.92 is: 796,188.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,067.77 : 994,608.59 = 530,788.92 : x
  2. Step 2: Convert to fraction form
    663,067.77/994,608.59 = 530,788.92/x
  3. Step 3: Cross multiply
    663,067.77x = 994,608.59 × 530,788.92
  4. Step 4: Simplify right side
    663,067.77x = 527,927,216,654.88
  5. Step 5: Solve for x
    x = 527,927,216,654.88/663,067.77
  6. Step 6: Final answer
    x = 796,188.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.