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Finding the Fourth Proportional to 344,090, 474,844.20 and 193,187

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Solution

The fourth proportional to 344,090, 474,844.20 and 193,187 is: 266,598.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,090 : 474,844.20 = 193,187 : x
  2. Step 2: Convert to fraction form
    344,090/474,844.20 = 193,187/x
  3. Step 3: Cross multiply
    344,090x = 474,844.20 × 193,187
  4. Step 4: Simplify right side
    344,090x = 91,733,726,465.40
  5. Step 5: Solve for x
    x = 91,733,726,465.40/344,090
  6. Step 6: Final answer
    x = 266,598.06

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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.