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Finding the Fourth Proportional to 343,703.94, 474,333.21 and 192,810.66

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Solution

The fourth proportional to 343,703.94, 474,333.21 and 192,810.66 is: 266,090.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,703.94 : 474,333.21 = 192,810.66 : x
  2. Step 2: Convert to fraction form
    343,703.94/474,333.21 = 192,810.66/x
  3. Step 3: Cross multiply
    343,703.94x = 474,333.21 × 192,810.66
  4. Step 4: Simplify right side
    343,703.94x = 91,456,499,280.02
  5. Step 5: Solve for x
    x = 91,456,499,280.02/343,703.94
  6. Step 6: Final answer
    x = 266,090.92

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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.