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Finding the Fourth Proportional to 325,303.72, 448,117.01 and 276,750.15

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Solution

The fourth proportional to 325,303.72, 448,117.01 and 276,750.15 is: 381,232.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,303.72 : 448,117.01 = 276,750.15 : x
  2. Step 2: Convert to fraction form
    325,303.72/448,117.01 = 276,750.15/x
  3. Step 3: Cross multiply
    325,303.72x = 448,117.01 × 276,750.15
  4. Step 4: Simplify right side
    325,303.72x = 124,016,449,735.05
  5. Step 5: Solve for x
    x = 124,016,449,735.05/325,303.72
  6. Step 6: Final answer
    x = 381,232.81

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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.