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Finding the Fourth Proportional to 488,124.26, 730,924.76 and 336,787.98

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Solution

The fourth proportional to 488,124.26, 730,924.76 and 336,787.98 is: 504,311.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,124.26 : 730,924.76 = 336,787.98 : x
  2. Step 2: Convert to fraction form
    488,124.26/730,924.76 = 336,787.98/x
  3. Step 3: Cross multiply
    488,124.26x = 730,924.76 × 336,787.98
  4. Step 4: Simplify right side
    488,124.26x = 246,166,671,553.39
  5. Step 5: Solve for x
    x = 246,166,671,553.39/488,124.26
  6. Step 6: Final answer
    x = 504,311.49

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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.