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Finding the Fourth Proportional to 543,801.29, 750,541.97 and 406,668.29

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Solution

The fourth proportional to 543,801.29, 750,541.97 and 406,668.29 is: 561,274.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,801.29 : 750,541.97 = 406,668.29 : x
  2. Step 2: Convert to fraction form
    543,801.29/750,541.97 = 406,668.29/x
  3. Step 3: Cross multiply
    543,801.29x = 750,541.97 × 406,668.29
  4. Step 4: Simplify right side
    543,801.29x = 305,221,616,777.09
  5. Step 5: Solve for x
    x = 305,221,616,777.09/543,801.29
  6. Step 6: Final answer
    x = 561,274.17

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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.