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Finding the Fourth Proportional to 354,196.59, 488,791.67 and 193,051.77

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Solution

The fourth proportional to 354,196.59, 488,791.67 and 193,051.77 is: 266,411.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,196.59 : 488,791.67 = 193,051.77 : x
  2. Step 2: Convert to fraction form
    354,196.59/488,791.67 = 193,051.77/x
  3. Step 3: Cross multiply
    354,196.59x = 488,791.67 × 193,051.77
  4. Step 4: Simplify right side
    354,196.59x = 94,362,096,089.50
  5. Step 5: Solve for x
    x = 94,362,096,089.50/354,196.59
  6. Step 6: Final answer
    x = 266,411.64

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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.