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Finding the Fourth Proportional to 554,992.93, 765,892.65 and 300,344.14

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Solution

The fourth proportional to 554,992.93, 765,892.65 and 300,344.14 is: 414,476.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,992.93 : 765,892.65 = 300,344.14 : x
  2. Step 2: Convert to fraction form
    554,992.93/765,892.65 = 300,344.14/x
  3. Step 3: Cross multiply
    554,992.93x = 765,892.65 × 300,344.14
  4. Step 4: Simplify right side
    554,992.93x = 230,031,369,296.57
  5. Step 5: Solve for x
    x = 230,031,369,296.57/554,992.93
  6. Step 6: Final answer
    x = 414,476.22

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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.