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Finding the Fourth Proportional to 235,218.56, 324,597.68 and 127,790.24

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Solution

The fourth proportional to 235,218.56, 324,597.68 and 127,790.24 is: 176,348.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,218.56 : 324,597.68 = 127,790.24 : x
  2. Step 2: Convert to fraction form
    235,218.56/324,597.68 = 127,790.24/x
  3. Step 3: Cross multiply
    235,218.56x = 324,597.68 × 127,790.24
  4. Step 4: Simplify right side
    235,218.56x = 41,480,415,430.64
  5. Step 5: Solve for x
    x = 41,480,415,430.64/235,218.56
  6. Step 6: Final answer
    x = 176,348.39

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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.