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Finding the Fourth Proportional to 307,965.44, 424,758.12 and 265,017.32

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Solution

The fourth proportional to 307,965.44, 424,758.12 and 265,017.32 is: 365,522.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,965.44 : 424,758.12 = 265,017.32 : x
  2. Step 2: Convert to fraction form
    307,965.44/424,758.12 = 265,017.32/x
  3. Step 3: Cross multiply
    307,965.44x = 424,758.12 × 265,017.32
  4. Step 4: Simplify right side
    307,965.44x = 112,568,258,610.64
  5. Step 5: Solve for x
    x = 112,568,258,610.64/307,965.44
  6. Step 6: Final answer
    x = 365,522.37

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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.