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Finding the Fourth Proportional to 235,658.88, 325,221.21 and 219,052.26

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Solution

The fourth proportional to 235,658.88, 325,221.21 and 219,052.26 is: 302,303.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,658.88 : 325,221.21 = 219,052.26 : x
  2. Step 2: Convert to fraction form
    235,658.88/325,221.21 = 219,052.26/x
  3. Step 3: Cross multiply
    235,658.88x = 325,221.21 × 219,052.26
  4. Step 4: Simplify right side
    235,658.88x = 71,240,441,050.43
  5. Step 5: Solve for x
    x = 71,240,441,050.43/235,658.88
  6. Step 6: Final answer
    x = 302,303.23

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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.