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Finding the Fourth Proportional to 865,696.12, 1,194,666.54 and 483,739

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Solution

The fourth proportional to 865,696.12, 1,194,666.54 and 483,739 is: 667,563.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,696.12 : 1,194,666.54 = 483,739 : x
  2. Step 2: Convert to fraction form
    865,696.12/1,194,666.54 = 483,739/x
  3. Step 3: Cross multiply
    865,696.12x = 1,194,666.54 × 483,739
  4. Step 4: Simplify right side
    865,696.12x = 577,906,797,393.06
  5. Step 5: Solve for x
    x = 577,906,797,393.06/865,696.12
  6. Step 6: Final answer
    x = 667,563.11

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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.