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Finding the Fourth Proportional to 219,548.75, 329,323.94 and 53,336.75

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Solution

The fourth proportional to 219,548.75, 329,323.94 and 53,336.75 is: 80,005.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,548.75 : 329,323.94 = 53,336.75 : x
  2. Step 2: Convert to fraction form
    219,548.75/329,323.94 = 53,336.75/x
  3. Step 3: Cross multiply
    219,548.75x = 329,323.94 × 53,336.75
  4. Step 4: Simplify right side
    219,548.75x = 17,565,068,656.80
  5. Step 5: Solve for x
    x = 17,565,068,656.80/219,548.75
  6. Step 6: Final answer
    x = 80,005.32

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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.