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Finding the Fourth Proportional to 313,339.05, 432,408.42 and 170,099.01

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Solution

The fourth proportional to 313,339.05, 432,408.42 and 170,099.01 is: 234,736.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,339.05 : 432,408.42 = 170,099.01 : x
  2. Step 2: Convert to fraction form
    313,339.05/432,408.42 = 170,099.01/x
  3. Step 3: Cross multiply
    313,339.05x = 432,408.42 × 170,099.01
  4. Step 4: Simplify right side
    313,339.05x = 73,552,244,157.66
  5. Step 5: Solve for x
    x = 73,552,244,157.66/313,339.05
  6. Step 6: Final answer
    x = 234,736.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.