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Finding the Fourth Proportional to 722,758.06, 997,379.22 and 416,847.25

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Solution

The fourth proportional to 722,758.06, 997,379.22 and 416,847.25 is: 575,233.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,758.06 : 997,379.22 = 416,847.25 : x
  2. Step 2: Convert to fraction form
    722,758.06/997,379.22 = 416,847.25/x
  3. Step 3: Cross multiply
    722,758.06x = 997,379.22 × 416,847.25
  4. Step 4: Simplify right side
    722,758.06x = 415,754,785,064.15
  5. Step 5: Solve for x
    x = 415,754,785,064.15/722,758.06
  6. Step 6: Final answer
    x = 575,233.69

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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.