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Finding the Fourth Proportional to 865,728.52, 1,194,682.44 and 483,758.44

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Solution

The fourth proportional to 865,728.52, 1,194,682.44 and 483,758.44 is: 667,573.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,728.52 : 1,194,682.44 = 483,758.44 : x
  2. Step 2: Convert to fraction form
    865,728.52/1,194,682.44 = 483,758.44/x
  3. Step 3: Cross multiply
    865,728.52x = 1,194,682.44 × 483,758.44
  4. Step 4: Simplify right side
    865,728.52x = 577,937,713,469.79
  5. Step 5: Solve for x
    x = 577,937,713,469.79/865,728.52
  6. Step 6: Final answer
    x = 667,573.84

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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.