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Finding the Fourth Proportional to 306,028.30, 459,042.45 and 164,310.70

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Solution

The fourth proportional to 306,028.30, 459,042.45 and 164,310.70 is: 246,466.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,028.30 : 459,042.45 = 164,310.70 : x
  2. Step 2: Convert to fraction form
    306,028.30/459,042.45 = 164,310.70/x
  3. Step 3: Cross multiply
    306,028.30x = 459,042.45 × 164,310.70
  4. Step 4: Simplify right side
    306,028.30x = 75,425,586,289.22
  5. Step 5: Solve for x
    x = 75,425,586,289.22/306,028.30
  6. Step 6: Final answer
    x = 246,466.05

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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.