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Finding the Fourth Proportional to 539,514.50, 744,530.04 and 297,797.14

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Solution

The fourth proportional to 539,514.50, 744,530.04 and 297,797.14 is: 410,960.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,514.50 : 744,530.04 = 297,797.14 : x
  2. Step 2: Convert to fraction form
    539,514.50/744,530.04 = 297,797.14/x
  3. Step 3: Cross multiply
    539,514.50x = 744,530.04 × 297,797.14
  4. Step 4: Simplify right side
    539,514.50x = 221,718,916,556.09
  5. Step 5: Solve for x
    x = 221,718,916,556.09/539,514.50
  6. Step 6: Final answer
    x = 410,960.07

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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.