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Finding the Fourth Proportional to 219,732.60, 329,987.70 and 169,933.80

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Solution

The fourth proportional to 219,732.60, 329,987.70 and 169,933.80 is: 255,201.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,732.60 : 329,987.70 = 169,933.80 : x
  2. Step 2: Convert to fraction form
    219,732.60/329,987.70 = 169,933.80/x
  3. Step 3: Cross multiply
    219,732.60x = 329,987.70 × 169,933.80
  4. Step 4: Simplify right side
    219,732.60x = 56,076,063,814.26
  5. Step 5: Solve for x
    x = 56,076,063,814.26/219,732.60
  6. Step 6: Final answer
    x = 255,201.38

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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.