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Finding the Fourth Proportional to 737,879.28, 1,018,304.88 and 411,192.63

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Solution

The fourth proportional to 737,879.28, 1,018,304.88 and 411,192.63 is: 567,463.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,879.28 : 1,018,304.88 = 411,192.63 : x
  2. Step 2: Convert to fraction form
    737,879.28/1,018,304.88 = 411,192.63/x
  3. Step 3: Cross multiply
    737,879.28x = 1,018,304.88 × 411,192.63
  4. Step 4: Simplify right side
    737,879.28x = 418,719,461,749.03
  5. Step 5: Solve for x
    x = 418,719,461,749.03/737,879.28
  6. Step 6: Final answer
    x = 567,463.37

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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.