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Finding the Fourth Proportional to 236,429.70, 354,644.55 and 229,868.70

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Solution

The fourth proportional to 236,429.70, 354,644.55 and 229,868.70 is: 344,803.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,429.70 : 354,644.55 = 229,868.70 : x
  2. Step 2: Convert to fraction form
    236,429.70/354,644.55 = 229,868.70/x
  3. Step 3: Cross multiply
    236,429.70x = 354,644.55 × 229,868.70
  4. Step 4: Simplify right side
    236,429.70x = 81,521,681,670.59
  5. Step 5: Solve for x
    x = 81,521,681,670.59/236,429.70
  6. Step 6: Final answer
    x = 344,803.05

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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.