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Finding the Fourth Proportional to 356,521.56, 492,003.64 and 195,373.16

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Solution

The fourth proportional to 356,521.56, 492,003.64 and 195,373.16 is: 269,617.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,521.56 : 492,003.64 = 195,373.16 : x
  2. Step 2: Convert to fraction form
    356,521.56/492,003.64 = 195,373.16/x
  3. Step 3: Cross multiply
    356,521.56x = 492,003.64 × 195,373.16
  4. Step 4: Simplify right side
    356,521.56x = 96,124,305,878.30
  5. Step 5: Solve for x
    x = 96,124,305,878.30/356,521.56
  6. Step 6: Final answer
    x = 269,617.09

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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.