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Finding the Fourth Proportional to 350,273, 483,377.28 and 199,370

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Solution

The fourth proportional to 350,273, 483,377.28 and 199,370 is: 275,130.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,273 : 483,377.28 = 199,370 : x
  2. Step 2: Convert to fraction form
    350,273/483,377.28 = 199,370/x
  3. Step 3: Cross multiply
    350,273x = 483,377.28 × 199,370
  4. Step 4: Simplify right side
    350,273x = 96,370,928,313.60
  5. Step 5: Solve for x
    x = 96,370,928,313.60/350,273
  6. Step 6: Final answer
    x = 275,130.91

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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.