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Finding the Fourth Proportional to 539,668.24, 744,743.24 and 297,951.28

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Solution

The fourth proportional to 539,668.24, 744,743.24 and 297,951.28 is: 411,173.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,668.24 : 744,743.24 = 297,951.28 : x
  2. Step 2: Convert to fraction form
    539,668.24/744,743.24 = 297,951.28/x
  3. Step 3: Cross multiply
    539,668.24x = 744,743.24 × 297,951.28
  4. Step 4: Simplify right side
    539,668.24x = 221,897,201,629.35
  5. Step 5: Solve for x
    x = 221,897,201,629.35/539,668.24
  6. Step 6: Final answer
    x = 411,173.36

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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.