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Finding the Fourth Proportional to 351,256.36, 526,884.51 and 85,016.86

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Solution

The fourth proportional to 351,256.36, 526,884.51 and 85,016.86 is: 127,525.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,256.36 : 526,884.51 = 85,016.86 : x
  2. Step 2: Convert to fraction form
    351,256.36/526,884.51 = 85,016.86/x
  3. Step 3: Cross multiply
    351,256.36x = 526,884.51 × 85,016.86
  4. Step 4: Simplify right side
    351,256.36x = 44,794,066,622.84
  5. Step 5: Solve for x
    x = 44,794,066,622.84/351,256.36
  6. Step 6: Final answer
    x = 127,525.28

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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.