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Finding the Fourth Proportional to 324,497.29, 486,813.63 and 111,256.63

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Solution

The fourth proportional to 324,497.29, 486,813.63 and 111,256.63 is: 166,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,497.29 : 486,813.63 = 111,256.63 : x
  2. Step 2: Convert to fraction form
    324,497.29/486,813.63 = 111,256.63/x
  3. Step 3: Cross multiply
    324,497.29x = 486,813.63 × 111,256.63
  4. Step 4: Simplify right side
    324,497.29x = 54,161,243,911.87
  5. Step 5: Solve for x
    x = 54,161,243,911.87/324,497.29
  6. Step 6: Final answer
    x = 166,908.15

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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.