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Finding the Fourth Proportional to 314,452.01, 433,939.43 and 171,212.06

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Solution

The fourth proportional to 314,452.01, 433,939.43 and 171,212.06 is: 236,270.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,452.01 : 433,939.43 = 171,212.06 : x
  2. Step 2: Convert to fraction form
    314,452.01/433,939.43 = 171,212.06/x
  3. Step 3: Cross multiply
    314,452.01x = 433,939.43 × 171,212.06
  4. Step 4: Simplify right side
    314,452.01x = 74,295,665,238.40
  5. Step 5: Solve for x
    x = 74,295,665,238.40/314,452.01
  6. Step 6: Final answer
    x = 236,270.28

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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.