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Finding the Fourth Proportional to 273,258.77, 409,912.65 and 73,574.73

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Solution

The fourth proportional to 273,258.77, 409,912.65 and 73,574.73 is: 110,368.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,258.77 : 409,912.65 = 73,574.73 : x
  2. Step 2: Convert to fraction form
    273,258.77/409,912.65 = 73,574.73/x
  3. Step 3: Cross multiply
    273,258.77x = 409,912.65 × 73,574.73
  4. Step 4: Simplify right side
    273,258.77x = 30,159,212,547.33
  5. Step 5: Solve for x
    x = 30,159,212,547.33/273,258.77
  6. Step 6: Final answer
    x = 110,368.69

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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.