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Finding the Fourth Proportional to 313,336.40, 470,004.60 and 194,946.80

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Solution

The fourth proportional to 313,336.40, 470,004.60 and 194,946.80 is: 292,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,336.40 : 470,004.60 = 194,946.80 : x
  2. Step 2: Convert to fraction form
    313,336.40/470,004.60 = 194,946.80/x
  3. Step 3: Cross multiply
    313,336.40x = 470,004.60 × 194,946.80
  4. Step 4: Simplify right side
    313,336.40x = 91,625,892,755.28
  5. Step 5: Solve for x
    x = 91,625,892,755.28/313,336.40
  6. Step 6: Final answer
    x = 292,420.20

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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.