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Finding the Fourth Proportional to 297,946.44, 411,144.66 and 170,618.76

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Solution

The fourth proportional to 297,946.44, 411,144.66 and 170,618.76 is: 235,441.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,946.44 : 411,144.66 = 170,618.76 : x
  2. Step 2: Convert to fraction form
    297,946.44/411,144.66 = 170,618.76/x
  3. Step 3: Cross multiply
    297,946.44x = 411,144.66 × 170,618.76
  4. Step 4: Simplify right side
    297,946.44x = 70,148,992,069.82
  5. Step 5: Solve for x
    x = 70,148,992,069.82/297,946.44
  6. Step 6: Final answer
    x = 235,441.62

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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.