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Finding the Fourth Proportional to 495,695.15, 684,063.44 and 269,340.65

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Solution

The fourth proportional to 495,695.15, 684,063.44 and 269,340.65 is: 371,692.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,695.15 : 684,063.44 = 269,340.65 : x
  2. Step 2: Convert to fraction form
    495,695.15/684,063.44 = 269,340.65/x
  3. Step 3: Cross multiply
    495,695.15x = 684,063.44 × 269,340.65
  4. Step 4: Simplify right side
    495,695.15x = 184,246,086,803.82
  5. Step 5: Solve for x
    x = 184,246,086,803.82/495,695.15
  6. Step 6: Final answer
    x = 371,692.34

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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.