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Finding the Fourth Proportional to 362,339.60, 543,223.53 and 228,938.67

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Solution

The fourth proportional to 362,339.60, 543,223.53 and 228,938.67 is: 343,227.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,339.60 : 543,223.53 = 228,938.67 : x
  2. Step 2: Convert to fraction form
    362,339.60/543,223.53 = 228,938.67/x
  3. Step 3: Cross multiply
    362,339.60x = 543,223.53 × 228,938.67
  4. Step 4: Simplify right side
    362,339.60x = 124,364,872,470.91
  5. Step 5: Solve for x
    x = 124,364,872,470.91/362,339.60
  6. Step 6: Final answer
    x = 343,227.39

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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.