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Finding the Fourth Proportional to 360,054.32, 496,872.60 and 198,919.76

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Solution

The fourth proportional to 360,054.32, 496,872.60 and 198,919.76 is: 274,507.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,054.32 : 496,872.60 = 198,919.76 : x
  2. Step 2: Convert to fraction form
    360,054.32/496,872.60 = 198,919.76/x
  3. Step 3: Cross multiply
    360,054.32x = 496,872.60 × 198,919.76
  4. Step 4: Simplify right side
    360,054.32x = 98,837,778,342.58
  5. Step 5: Solve for x
    x = 98,837,778,342.58/360,054.32
  6. Step 6: Final answer
    x = 274,507.96

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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.