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Finding the Fourth Proportional to 352,052, 485,862.48 and 193,106.72

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Solution

The fourth proportional to 352,052, 485,862.48 and 193,106.72 is: 266,504.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,052 : 485,862.48 = 193,106.72 : x
  2. Step 2: Convert to fraction form
    352,052/485,862.48 = 193,106.72/x
  3. Step 3: Cross multiply
    352,052x = 485,862.48 × 193,106.72
  4. Step 4: Simplify right side
    352,052x = 93,823,309,883.87
  5. Step 5: Solve for x
    x = 93,823,309,883.87/352,052
  6. Step 6: Final answer
    x = 266,504.12

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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.