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Finding the Fourth Proportional to 288,771.63, 398,610.37 and 174,054.37

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Solution

The fourth proportional to 288,771.63, 398,610.37 and 174,054.37 is: 240,258.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,771.63 : 398,610.37 = 174,054.37 : x
  2. Step 2: Convert to fraction form
    288,771.63/398,610.37 = 174,054.37/x
  3. Step 3: Cross multiply
    288,771.63x = 398,610.37 × 174,054.37
  4. Step 4: Simplify right side
    288,771.63x = 69,379,875,815.20
  5. Step 5: Solve for x
    x = 69,379,875,815.20/288,771.63
  6. Step 6: Final answer
    x = 240,258.63

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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.