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Finding the Fourth Proportional to 423,562.26, 584,568.59 and 242,249.03

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Solution

The fourth proportional to 423,562.26, 584,568.59 and 242,249.03 is: 334,333.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,562.26 : 584,568.59 = 242,249.03 : x
  2. Step 2: Convert to fraction form
    423,562.26/584,568.59 = 242,249.03/x
  3. Step 3: Cross multiply
    423,562.26x = 584,568.59 × 242,249.03
  4. Step 4: Simplify right side
    423,562.26x = 141,611,173,895.97
  5. Step 5: Solve for x
    x = 141,611,173,895.97/423,562.26
  6. Step 6: Final answer
    x = 334,333.79

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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.