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Finding the Fourth Proportional to 345,620.34, 476,963.73 and 192,674.34

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Solution

The fourth proportional to 345,620.34, 476,963.73 and 192,674.34 is: 265,894.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,620.34 : 476,963.73 = 192,674.34 : x
  2. Step 2: Convert to fraction form
    345,620.34/476,963.73 = 192,674.34/x
  3. Step 3: Cross multiply
    345,620.34x = 476,963.73 × 192,674.34
  4. Step 4: Simplify right side
    345,620.34x = 91,898,671,881.69
  5. Step 5: Solve for x
    x = 91,898,671,881.69/345,620.34
  6. Step 6: Final answer
    x = 265,894.86

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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.