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Finding the Fourth Proportional to 346,546.80, 519,820.20 and 196,729.20

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Solution

The fourth proportional to 346,546.80, 519,820.20 and 196,729.20 is: 295,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,546.80 : 519,820.20 = 196,729.20 : x
  2. Step 2: Convert to fraction form
    346,546.80/519,820.20 = 196,729.20/x
  3. Step 3: Cross multiply
    346,546.80x = 519,820.20 × 196,729.20
  4. Step 4: Simplify right side
    346,546.80x = 102,263,812,089.84
  5. Step 5: Solve for x
    x = 102,263,812,089.84/346,546.80
  6. Step 6: Final answer
    x = 295,093.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.