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Finding the Fourth Proportional to 336,072.60, 504,108.90 and 307,042.20

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Solution

The fourth proportional to 336,072.60, 504,108.90 and 307,042.20 is: 460,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,072.60 : 504,108.90 = 307,042.20 : x
  2. Step 2: Convert to fraction form
    336,072.60/504,108.90 = 307,042.20/x
  3. Step 3: Cross multiply
    336,072.60x = 504,108.90 × 307,042.20
  4. Step 4: Simplify right side
    336,072.60x = 154,782,705,695.58
  5. Step 5: Solve for x
    x = 154,782,705,695.58/336,072.60
  6. Step 6: Final answer
    x = 460,563.30

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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.