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Finding the Fourth Proportional to 663,064.32, 994,603.44 and 530,785.46

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Solution

The fourth proportional to 663,064.32, 994,603.44 and 530,785.46 is: 796,183.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,064.32 : 994,603.44 = 530,785.46 : x
  2. Step 2: Convert to fraction form
    663,064.32/994,603.44 = 530,785.46/x
  3. Step 3: Cross multiply
    663,064.32x = 994,603.44 × 530,785.46
  4. Step 4: Simplify right side
    663,064.32x = 527,921,044,417.98
  5. Step 5: Solve for x
    x = 527,921,044,417.98/663,064.32
  6. Step 6: Final answer
    x = 796,183.76

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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.