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Finding the Fourth Proportional to 235,261.56, 324,699.66 and 171,809.40

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Solution

The fourth proportional to 235,261.56, 324,699.66 and 171,809.40 is: 237,125.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,261.56 : 324,699.66 = 171,809.40 : x
  2. Step 2: Convert to fraction form
    235,261.56/324,699.66 = 171,809.40/x
  3. Step 3: Cross multiply
    235,261.56x = 324,699.66 × 171,809.40
  4. Step 4: Simplify right side
    235,261.56x = 55,786,453,764.80
  5. Step 5: Solve for x
    x = 55,786,453,764.80/235,261.56
  6. Step 6: Final answer
    x = 237,125.24

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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.