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Finding the Fourth Proportional to 354,235.68, 488,835.51 and 193,093.88

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Solution

The fourth proportional to 354,235.68, 488,835.51 and 193,093.88 is: 266,464.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,235.68 : 488,835.51 = 193,093.88 : x
  2. Step 2: Convert to fraction form
    354,235.68/488,835.51 = 193,093.88/x
  3. Step 3: Cross multiply
    354,235.68x = 488,835.51 × 193,093.88
  4. Step 4: Simplify right side
    354,235.68x = 94,391,142,139.40
  5. Step 5: Solve for x
    x = 94,391,142,139.40/354,235.68
  6. Step 6: Final answer
    x = 266,464.24

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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.