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Finding the Fourth Proportional to 219,349.80, 329,024.70 and 185,524.20

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Solution

The fourth proportional to 219,349.80, 329,024.70 and 185,524.20 is: 278,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,349.80 : 329,024.70 = 185,524.20 : x
  2. Step 2: Convert to fraction form
    219,349.80/329,024.70 = 185,524.20/x
  3. Step 3: Cross multiply
    219,349.80x = 329,024.70 × 185,524.20
  4. Step 4: Simplify right side
    219,349.80x = 61,042,044,247.74
  5. Step 5: Solve for x
    x = 61,042,044,247.74/219,349.80
  6. Step 6: Final answer
    x = 278,286.30

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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.