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Finding the Fourth Proportional to 354,237.93, 488,838.60 and 193,096.13

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Solution

The fourth proportional to 354,237.93, 488,838.60 and 193,096.13 is: 266,467.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,237.93 : 488,838.60 = 193,096.13 : x
  2. Step 2: Convert to fraction form
    354,237.93/488,838.60 = 193,096.13/x
  3. Step 3: Cross multiply
    354,237.93x = 488,838.60 × 193,096.13
  4. Step 4: Simplify right side
    354,237.93x = 94,392,839,410.43
  5. Step 5: Solve for x
    x = 94,392,839,410.43/354,237.93
  6. Step 6: Final answer
    x = 266,467.34

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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.