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Finding the Fourth Proportional to 427,031.56, 589,280.52 and 236,033.56

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Solution

The fourth proportional to 427,031.56, 589,280.52 and 236,033.56 is: 325,713.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,031.56 : 589,280.52 = 236,033.56 : x
  2. Step 2: Convert to fraction form
    427,031.56/589,280.52 = 236,033.56/x
  3. Step 3: Cross multiply
    427,031.56x = 589,280.52 × 236,033.56
  4. Step 4: Simplify right side
    427,031.56x = 139,089,978,974.25
  5. Step 5: Solve for x
    x = 139,089,978,974.25/427,031.56
  6. Step 6: Final answer
    x = 325,713.58

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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.