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Finding the Fourth Proportional to 865,773.93, 1,194,759.21 and 483,800.72

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Solution

The fourth proportional to 865,773.93, 1,194,759.21 and 483,800.72 is: 667,640.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,773.93 : 1,194,759.21 = 483,800.72 : x
  2. Step 2: Convert to fraction form
    865,773.93/1,194,759.21 = 483,800.72/x
  3. Step 3: Cross multiply
    865,773.93x = 1,194,759.21 × 483,800.72
  4. Step 4: Simplify right side
    865,773.93x = 578,025,361,865.09
  5. Step 5: Solve for x
    x = 578,025,361,865.09/865,773.93
  6. Step 6: Final answer
    x = 667,640.06

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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.