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Finding the Fourth Proportional to 288,127.94, 397,617.53 and 167,274.32

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Solution

The fourth proportional to 288,127.94, 397,617.53 and 167,274.32 is: 230,839.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,127.94 : 397,617.53 = 167,274.32 : x
  2. Step 2: Convert to fraction form
    288,127.94/397,617.53 = 167,274.32/x
  3. Step 3: Cross multiply
    288,127.94x = 397,617.53 × 167,274.32
  4. Step 4: Simplify right side
    288,127.94x = 66,511,199,126.37
  5. Step 5: Solve for x
    x = 66,511,199,126.37/288,127.94
  6. Step 6: Final answer
    x = 230,839.12

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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.