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Finding the Fourth Proportional to 336,418.70, 504,725.45 and 99,767.07

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Solution

The fourth proportional to 336,418.70, 504,725.45 and 99,767.07 is: 149,679.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,418.70 : 504,725.45 = 99,767.07 : x
  2. Step 2: Convert to fraction form
    336,418.70/504,725.45 = 99,767.07/x
  3. Step 3: Cross multiply
    336,418.70x = 504,725.45 × 99,767.07
  4. Step 4: Simplify right side
    336,418.70x = 50,354,978,802.10
  5. Step 5: Solve for x
    x = 50,354,978,802.10/336,418.70
  6. Step 6: Final answer
    x = 149,679.49

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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.