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Finding the Fourth Proportional to 324,330.52, 486,521.70 and 114,015.64

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Solution

The fourth proportional to 324,330.52, 486,521.70 and 114,015.64 is: 171,032.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,330.52 : 486,521.70 = 114,015.64 : x
  2. Step 2: Convert to fraction form
    324,330.52/486,521.70 = 114,015.64/x
  3. Step 3: Cross multiply
    324,330.52x = 486,521.70 × 114,015.64
  4. Step 4: Simplify right side
    324,330.52x = 55,471,082,999.39
  5. Step 5: Solve for x
    x = 55,471,082,999.39/324,330.52
  6. Step 6: Final answer
    x = 171,032.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.