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Finding the Fourth Proportional to 624,926.69, 862,451.93 and 353,044.49

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Solution

The fourth proportional to 624,926.69, 862,451.93 and 353,044.49 is: 487,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,926.69 : 862,451.93 = 353,044.49 : x
  2. Step 2: Convert to fraction form
    624,926.69/862,451.93 = 353,044.49/x
  3. Step 3: Cross multiply
    624,926.69x = 862,451.93 × 353,044.49
  4. Step 4: Simplify right side
    624,926.69x = 304,483,902,205.07
  5. Step 5: Solve for x
    x = 304,483,902,205.07/624,926.69
  6. Step 6: Final answer
    x = 487,231.40

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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.