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Finding the Fourth Proportional to 341,969.16, 512,964.18 and 117,326.43

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Solution

The fourth proportional to 341,969.16, 512,964.18 and 117,326.43 is: 175,993.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,969.16 : 512,964.18 = 117,326.43 : x
  2. Step 2: Convert to fraction form
    341,969.16/512,964.18 = 117,326.43/x
  3. Step 3: Cross multiply
    341,969.16x = 512,964.18 × 117,326.43
  4. Step 4: Simplify right side
    341,969.16x = 60,184,255,957.28
  5. Step 5: Solve for x
    x = 60,184,255,957.28/341,969.16
  6. Step 6: Final answer
    x = 175,993.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.