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Finding the Fourth Proportional to 526,904.28, 790,393.41 and 211,361.22

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Solution

The fourth proportional to 526,904.28, 790,393.41 and 211,361.22 is: 317,056.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,904.28 : 790,393.41 = 211,361.22 : x
  2. Step 2: Convert to fraction form
    526,904.28/790,393.41 = 211,361.22/x
  3. Step 3: Cross multiply
    526,904.28x = 790,393.41 × 211,361.22
  4. Step 4: Simplify right side
    526,904.28x = 167,058,515,417.56
  5. Step 5: Solve for x
    x = 167,058,515,417.56/526,904.28
  6. Step 6: Final answer
    x = 317,056.67

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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.