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Finding the Fourth Proportional to 426,103.36, 587,993.54 and 235,119.94

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Solution

The fourth proportional to 426,103.36, 587,993.54 and 235,119.94 is: 324,449.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,103.36 : 587,993.54 = 235,119.94 : x
  2. Step 2: Convert to fraction form
    426,103.36/587,993.54 = 235,119.94/x
  3. Step 3: Cross multiply
    426,103.36x = 587,993.54 × 235,119.94
  4. Step 4: Simplify right side
    426,103.36x = 138,249,003,199.60
  5. Step 5: Solve for x
    x = 138,249,003,199.60/426,103.36
  6. Step 6: Final answer
    x = 324,449.46

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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.