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Finding the Fourth Proportional to 383,212.64, 528,808.04 and 230,257.27

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Solution

The fourth proportional to 383,212.64, 528,808.04 and 230,257.27 is: 317,739.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,212.64 : 528,808.04 = 230,257.27 : x
  2. Step 2: Convert to fraction form
    383,212.64/528,808.04 = 230,257.27/x
  3. Step 3: Cross multiply
    383,212.64x = 528,808.04 × 230,257.27
  4. Step 4: Simplify right side
    383,212.64x = 121,761,894,338.29
  5. Step 5: Solve for x
    x = 121,761,894,338.29/383,212.64
  6. Step 6: Final answer
    x = 317,739.77

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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.