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Finding the Fourth Proportional to 314,865.38, 472,368.22 and 115,181.34

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Solution

The fourth proportional to 314,865.38, 472,368.22 and 115,181.34 is: 172,797.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,865.38 : 472,368.22 = 115,181.34 : x
  2. Step 2: Convert to fraction form
    314,865.38/472,368.22 = 115,181.34/x
  3. Step 3: Cross multiply
    314,865.38x = 472,368.22 × 115,181.34
  4. Step 4: Simplify right side
    314,865.38x = 54,408,004,553.01
  5. Step 5: Solve for x
    x = 54,408,004,553.01/314,865.38
  6. Step 6: Final answer
    x = 172,797.67

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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.