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Finding the Fourth Proportional to 352,048, 485,856.96 and 193,102.72

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Solution

The fourth proportional to 352,048, 485,856.96 and 193,102.72 is: 266,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,048 : 485,856.96 = 193,102.72 : x
  2. Step 2: Convert to fraction form
    352,048/485,856.96 = 193,102.72/x
  3. Step 3: Cross multiply
    352,048x = 485,856.96 × 193,102.72
  4. Step 4: Simplify right side
    352,048x = 93,820,300,506.93
  5. Step 5: Solve for x
    x = 93,820,300,506.93/352,048
  6. Step 6: Final answer
    x = 266,498.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.