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Finding the Fourth Proportional to 463,242.24, 639,268.20 and 262,038.24

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Solution

The fourth proportional to 463,242.24, 639,268.20 and 262,038.24 is: 361,609.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,242.24 : 639,268.20 = 262,038.24 : x
  2. Step 2: Convert to fraction form
    463,242.24/639,268.20 = 262,038.24/x
  3. Step 3: Cross multiply
    463,242.24x = 639,268.20 × 262,038.24
  4. Step 4: Simplify right side
    463,242.24x = 167,512,714,015.97
  5. Step 5: Solve for x
    x = 167,512,714,015.97/463,242.24
  6. Step 6: Final answer
    x = 361,609.33

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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.