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Finding the Fourth Proportional to 350,803.04, 484,108.22 and 189,658.04

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Solution

The fourth proportional to 350,803.04, 484,108.22 and 189,658.04 is: 261,728.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,803.04 : 484,108.22 = 189,658.04 : x
  2. Step 2: Convert to fraction form
    350,803.04/484,108.22 = 189,658.04/x
  3. Step 3: Cross multiply
    350,803.04x = 484,108.22 × 189,658.04
  4. Step 4: Simplify right side
    350,803.04x = 91,815,012,784.26
  5. Step 5: Solve for x
    x = 91,815,012,784.26/350,803.04
  6. Step 6: Final answer
    x = 261,728.10

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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.