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Finding the Fourth Proportional to 343,935, 474,630.30 and 193,032

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Solution

The fourth proportional to 343,935, 474,630.30 and 193,032 is: 266,384.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,935 : 474,630.30 = 193,032 : x
  2. Step 2: Convert to fraction form
    343,935/474,630.30 = 193,032/x
  3. Step 3: Cross multiply
    343,935x = 474,630.30 × 193,032
  4. Step 4: Simplify right side
    343,935x = 91,618,836,069.60
  5. Step 5: Solve for x
    x = 91,618,836,069.60/343,935
  6. Step 6: Final answer
    x = 266,384.16

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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.