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Finding the Fourth Proportional to 543,304.82, 814,772.67 and 188,235.95

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Solution

The fourth proportional to 543,304.82, 814,772.67 and 188,235.95 is: 282,289.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,304.82 : 814,772.67 = 188,235.95 : x
  2. Step 2: Convert to fraction form
    543,304.82/814,772.67 = 188,235.95/x
  3. Step 3: Cross multiply
    543,304.82x = 814,772.67 × 188,235.95
  4. Step 4: Simplify right side
    543,304.82x = 153,369,503,497.62
  5. Step 5: Solve for x
    x = 153,369,503,497.62/543,304.82
  6. Step 6: Final answer
    x = 282,289.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.