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Finding the Fourth Proportional to 324,005.60, 486,008.40 and 164,573.30

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Solution

The fourth proportional to 324,005.60, 486,008.40 and 164,573.30 is: 246,859.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,005.60 : 486,008.40 = 164,573.30 : x
  2. Step 2: Convert to fraction form
    324,005.60/486,008.40 = 164,573.30/x
  3. Step 3: Cross multiply
    324,005.60x = 486,008.40 × 164,573.30
  4. Step 4: Simplify right side
    324,005.60x = 79,984,006,215.72
  5. Step 5: Solve for x
    x = 79,984,006,215.72/324,005.60
  6. Step 6: Final answer
    x = 246,859.95

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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.