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Finding the Fourth Proportional to 329,212.25, 493,782.48 and 223,276.71

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Solution

The fourth proportional to 329,212.25, 493,782.48 and 223,276.71 is: 334,890.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,212.25 : 493,782.48 = 223,276.71 : x
  2. Step 2: Convert to fraction form
    329,212.25/493,782.48 = 223,276.71/x
  3. Step 3: Cross multiply
    329,212.25x = 493,782.48 × 223,276.71
  4. Step 4: Simplify right side
    329,212.25x = 110,250,127,590.04
  5. Step 5: Solve for x
    x = 110,250,127,590.04/329,212.25
  6. Step 6: Final answer
    x = 334,890.73

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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.