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Finding the Fourth Proportional to 350,155.12, 483,219.80 and 191,179.12

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Solution

The fourth proportional to 350,155.12, 483,219.80 and 191,179.12 is: 263,830.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,155.12 : 483,219.80 = 191,179.12 : x
  2. Step 2: Convert to fraction form
    350,155.12/483,219.80 = 191,179.12/x
  3. Step 3: Cross multiply
    350,155.12x = 483,219.80 × 191,179.12
  4. Step 4: Simplify right side
    350,155.12x = 92,381,536,130.58
  5. Step 5: Solve for x
    x = 92,381,536,130.58/350,155.12
  6. Step 6: Final answer
    x = 263,830.32

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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.