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Finding the Fourth Proportional to 314,490.72, 433,997.32 and 171,250.70

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Solution

The fourth proportional to 314,490.72, 433,997.32 and 171,250.70 is: 236,326.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,490.72 : 433,997.32 = 171,250.70 : x
  2. Step 2: Convert to fraction form
    314,490.72/433,997.32 = 171,250.70/x
  3. Step 3: Cross multiply
    314,490.72x = 433,997.32 × 171,250.70
  4. Step 4: Simplify right side
    314,490.72x = 74,322,344,848.12
  5. Step 5: Solve for x
    x = 74,322,344,848.12/314,490.72
  6. Step 6: Final answer
    x = 236,326.03

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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.