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Finding the Fourth Proportional to 360,994.92, 498,156.84 and 199,838.58

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Solution

The fourth proportional to 360,994.92, 498,156.84 and 199,838.58 is: 275,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,994.92 : 498,156.84 = 199,838.58 : x
  2. Step 2: Convert to fraction form
    360,994.92/498,156.84 = 199,838.58/x
  3. Step 3: Cross multiply
    360,994.92x = 498,156.84 × 199,838.58
  4. Step 4: Simplify right side
    360,994.92x = 99,550,955,522.89
  5. Step 5: Solve for x
    x = 99,550,955,522.89/360,994.92
  6. Step 6: Final answer
    x = 275,768.30

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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.