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Finding the Fourth Proportional to 412,091.49, 568,127.95 and 352,304.38

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Solution

The fourth proportional to 412,091.49, 568,127.95 and 352,304.38 is: 485,702.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,091.49 : 568,127.95 = 352,304.38 : x
  2. Step 2: Convert to fraction form
    412,091.49/568,127.95 = 352,304.38/x
  3. Step 3: Cross multiply
    412,091.49x = 568,127.95 × 352,304.38
  4. Step 4: Simplify right side
    412,091.49x = 200,153,965,185.42
  5. Step 5: Solve for x
    x = 200,153,965,185.42/412,091.49
  6. Step 6: Final answer
    x = 485,702.74

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1.5x scale

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.