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Finding the Fourth Proportional to 299,747.60, 449,621.40 and 232,825.40

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Solution

The fourth proportional to 299,747.60, 449,621.40 and 232,825.40 is: 349,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,747.60 : 449,621.40 = 232,825.40 : x
  2. Step 2: Convert to fraction form
    299,747.60/449,621.40 = 232,825.40/x
  3. Step 3: Cross multiply
    299,747.60x = 449,621.40 × 232,825.40
  4. Step 4: Simplify right side
    299,747.60x = 104,683,282,303.56
  5. Step 5: Solve for x
    x = 104,683,282,303.56/299,747.60
  6. Step 6: Final answer
    x = 349,238.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.