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Finding the Fourth Proportional to 426,009.26, 587,894.76 and 235,022.60

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Solution

The fourth proportional to 426,009.26, 587,894.76 and 235,022.60 is: 324,332.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,009.26 : 587,894.76 = 235,022.60 : x
  2. Step 2: Convert to fraction form
    426,009.26/587,894.76 = 235,022.60/x
  3. Step 3: Cross multiply
    426,009.26x = 587,894.76 × 235,022.60
  4. Step 4: Simplify right side
    426,009.26x = 138,168,555,021.58
  5. Step 5: Solve for x
    x = 138,168,555,021.58/426,009.26
  6. Step 6: Final answer
    x = 324,332.28

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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.