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Finding the Fourth Proportional to 865,767.88, 1,194,736.74 and 483,797.80

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Solution

The fourth proportional to 865,767.88, 1,194,736.74 and 483,797.80 is: 667,628.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,767.88 : 1,194,736.74 = 483,797.80 : x
  2. Step 2: Convert to fraction form
    865,767.88/1,194,736.74 = 483,797.80/x
  3. Step 3: Cross multiply
    865,767.88x = 1,194,736.74 × 483,797.80
  4. Step 4: Simplify right side
    865,767.88x = 578,011,006,391.17
  5. Step 5: Solve for x
    x = 578,011,006,391.17/865,767.88
  6. Step 6: Final answer
    x = 667,628.15

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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.