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Finding the Fourth Proportional to 343,604.50, 474,174.48 and 192,701.50

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Solution

The fourth proportional to 343,604.50, 474,174.48 and 192,701.50 is: 265,928.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,604.50 : 474,174.48 = 192,701.50 : x
  2. Step 2: Convert to fraction form
    343,604.50/474,174.48 = 192,701.50/x
  3. Step 3: Cross multiply
    343,604.50x = 474,174.48 × 192,701.50
  4. Step 4: Simplify right side
    343,604.50x = 91,374,133,557.72
  5. Step 5: Solve for x
    x = 91,374,133,557.72/343,604.50
  6. Step 6: Final answer
    x = 265,928.22

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1.5x scale

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.