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Finding the Fourth Proportional to 495,608.12, 683,937.42 and 269,251.64

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Solution

The fourth proportional to 495,608.12, 683,937.42 and 269,251.64 is: 371,566.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,608.12 : 683,937.42 = 269,251.64 : x
  2. Step 2: Convert to fraction form
    495,608.12/683,937.42 = 269,251.64/x
  3. Step 3: Cross multiply
    495,608.12x = 683,937.42 × 269,251.64
  4. Step 4: Simplify right side
    495,608.12x = 184,151,271,992.37
  5. Step 5: Solve for x
    x = 184,151,271,992.37/495,608.12
  6. Step 6: Final answer
    x = 371,566.29

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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.