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Finding the Fourth Proportional to 314,461.96, 433,958.03 and 171,222.60

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Solution

The fourth proportional to 314,461.96, 433,958.03 and 171,222.60 is: 236,287.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,461.96 : 433,958.03 = 171,222.60 : x
  2. Step 2: Convert to fraction form
    314,461.96/433,958.03 = 171,222.60/x
  3. Step 3: Cross multiply
    314,461.96x = 433,958.03 × 171,222.60
  4. Step 4: Simplify right side
    314,461.96x = 74,303,422,187.48
  5. Step 5: Solve for x
    x = 74,303,422,187.48/314,461.96
  6. Step 6: Final answer
    x = 236,287.47

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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.