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Finding the Fourth Proportional to 693,668.01, 957,383.67 and 403,369.41

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Solution

The fourth proportional to 693,668.01, 957,383.67 and 403,369.41 is: 556,720.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,668.01 : 957,383.67 = 403,369.41 : x
  2. Step 2: Convert to fraction form
    693,668.01/957,383.67 = 403,369.41/x
  3. Step 3: Cross multiply
    693,668.01x = 957,383.67 × 403,369.41
  4. Step 4: Simplify right side
    693,668.01x = 386,179,286,111.54
  5. Step 5: Solve for x
    x = 386,179,286,111.54/693,668.01
  6. Step 6: Final answer
    x = 556,720.62

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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.