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Finding the Fourth Proportional to 306,028.10, 459,042.15 and 235,169.30

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Solution

The fourth proportional to 306,028.10, 459,042.15 and 235,169.30 is: 352,753.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,028.10 : 459,042.15 = 235,169.30 : x
  2. Step 2: Convert to fraction form
    306,028.10/459,042.15 = 235,169.30/x
  3. Step 3: Cross multiply
    306,028.10x = 459,042.15 × 235,169.30
  4. Step 4: Simplify right side
    306,028.10x = 107,952,621,086.00
  5. Step 5: Solve for x
    x = 107,952,621,086.00/306,028.10
  6. Step 6: Final answer
    x = 352,753.95

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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.