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Finding the Fourth Proportional to 324,317.56, 486,476.32 and 164,368.58

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Solution

The fourth proportional to 324,317.56, 486,476.32 and 164,368.58 is: 246,552.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,317.56 : 486,476.32 = 164,368.58 : x
  2. Step 2: Convert to fraction form
    324,317.56/486,476.32 = 164,368.58/x
  3. Step 3: Cross multiply
    324,317.56x = 486,476.32 × 164,368.58
  4. Step 4: Simplify right side
    324,317.56x = 79,961,421,922.03
  5. Step 5: Solve for x
    x = 79,961,421,922.03/324,317.56
  6. Step 6: Final answer
    x = 246,552.86

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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.