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Finding the Fourth Proportional to 297,907.91, 411,012.85 and 168,836.25

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Solution

The fourth proportional to 297,907.91, 411,012.85 and 168,836.25 is: 232,937.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,907.91 : 411,012.85 = 168,836.25 : x
  2. Step 2: Convert to fraction form
    297,907.91/411,012.85 = 168,836.25/x
  3. Step 3: Cross multiply
    297,907.91x = 411,012.85 × 168,836.25
  4. Step 4: Simplify right side
    297,907.91x = 69,393,868,817.91
  5. Step 5: Solve for x
    x = 69,393,868,817.91/297,907.91
  6. Step 6: Final answer
    x = 232,937.32

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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.