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Finding the Fourth Proportional to 334,600.20, 501,900.30 and 308,680.20

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Solution

The fourth proportional to 334,600.20, 501,900.30 and 308,680.20 is: 463,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,600.20 : 501,900.30 = 308,680.20 : x
  2. Step 2: Convert to fraction form
    334,600.20/501,900.30 = 308,680.20/x
  3. Step 3: Cross multiply
    334,600.20x = 501,900.30 × 308,680.20
  4. Step 4: Simplify right side
    334,600.20x = 154,926,684,984.06
  5. Step 5: Solve for x
    x = 154,926,684,984.06/334,600.20
  6. Step 6: Final answer
    x = 463,020.30

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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.