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Finding the Fourth Proportional to 587,974.48, 811,752.61 and 370,369.68

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Solution

The fourth proportional to 587,974.48, 811,752.61 and 370,369.68 is: 511,329.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,974.48 : 811,752.61 = 370,369.68 : x
  2. Step 2: Convert to fraction form
    587,974.48/811,752.61 = 370,369.68/x
  3. Step 3: Cross multiply
    587,974.48x = 811,752.61 × 370,369.68
  4. Step 4: Simplify right side
    587,974.48x = 300,648,556,105.64
  5. Step 5: Solve for x
    x = 300,648,556,105.64/587,974.48
  6. Step 6: Final answer
    x = 511,329.26

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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.