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Finding the Fourth Proportional to 302,584.40, 453,876.60 and 196,830.80

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Solution

The fourth proportional to 302,584.40, 453,876.60 and 196,830.80 is: 295,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,584.40 : 453,876.60 = 196,830.80 : x
  2. Step 2: Convert to fraction form
    302,584.40/453,876.60 = 196,830.80/x
  3. Step 3: Cross multiply
    302,584.40x = 453,876.60 × 196,830.80
  4. Step 4: Simplify right side
    302,584.40x = 89,336,894,279.28
  5. Step 5: Solve for x
    x = 89,336,894,279.28/302,584.40
  6. Step 6: Final answer
    x = 295,246.20

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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.