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Finding the Fourth Proportional to 343,550.70, 474,048.18 and 196,364.93

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Solution

The fourth proportional to 343,550.70, 474,048.18 and 196,364.93 is: 270,954.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,550.70 : 474,048.18 = 196,364.93 : x
  2. Step 2: Convert to fraction form
    343,550.70/474,048.18 = 196,364.93/x
  3. Step 3: Cross multiply
    343,550.70x = 474,048.18 × 196,364.93
  4. Step 4: Simplify right side
    343,550.70x = 93,086,435,312.09
  5. Step 5: Solve for x
    x = 93,086,435,312.09/343,550.70
  6. Step 6: Final answer
    x = 270,954.00

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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.