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Finding the Fourth Proportional to 300,768.84, 415,045.19 and 171,702.23

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Solution

The fourth proportional to 300,768.84, 415,045.19 and 171,702.23 is: 236,940.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,768.84 : 415,045.19 = 171,702.23 : x
  2. Step 2: Convert to fraction form
    300,768.84/415,045.19 = 171,702.23/x
  3. Step 3: Cross multiply
    300,768.84x = 415,045.19 × 171,702.23
  4. Step 4: Simplify right side
    300,768.84x = 71,264,181,740.04
  5. Step 5: Solve for x
    x = 71,264,181,740.04/300,768.84
  6. Step 6: Final answer
    x = 236,940.04

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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.