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Finding the Fourth Proportional to 356,896.42, 492,519.48 and 195,752.60

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Solution

The fourth proportional to 356,896.42, 492,519.48 and 195,752.60 is: 270,139.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,896.42 : 492,519.48 = 195,752.60 : x
  2. Step 2: Convert to fraction form
    356,896.42/492,519.48 = 195,752.60/x
  3. Step 3: Cross multiply
    356,896.42x = 492,519.48 × 195,752.60
  4. Step 4: Simplify right side
    356,896.42x = 96,411,968,760.65
  5. Step 5: Solve for x
    x = 96,411,968,760.65/356,896.42
  6. Step 6: Final answer
    x = 270,139.92

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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.