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Finding the Fourth Proportional to 336,121.20, 504,181.80 and 307,090.80

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Solution

The fourth proportional to 336,121.20, 504,181.80 and 307,090.80 is: 460,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,121.20 : 504,181.80 = 307,090.80 : x
  2. Step 2: Convert to fraction form
    336,121.20/504,181.80 = 307,090.80/x
  3. Step 3: Cross multiply
    336,121.20x = 504,181.80 × 307,090.80
  4. Step 4: Simplify right side
    336,121.20x = 154,829,592,307.44
  5. Step 5: Solve for x
    x = 154,829,592,307.44/336,121.20
  6. Step 6: Final answer
    x = 460,636.20

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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.