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Finding the Fourth Proportional to 511,304.41, 705,603.59 and 284,964.49

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Solution

The fourth proportional to 511,304.41, 705,603.59 and 284,964.49 is: 393,252.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,304.41 : 705,603.59 = 284,964.49 : x
  2. Step 2: Convert to fraction form
    511,304.41/705,603.59 = 284,964.49/x
  3. Step 3: Cross multiply
    511,304.41x = 705,603.59 × 284,964.49
  4. Step 4: Simplify right side
    511,304.41x = 201,071,967,166.52
  5. Step 5: Solve for x
    x = 201,071,967,166.52/511,304.41
  6. Step 6: Final answer
    x = 393,252.95

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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.