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Finding the Fourth Proportional to 313,879.20, 470,818.80 and 224,944.80

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Solution

The fourth proportional to 313,879.20, 470,818.80 and 224,944.80 is: 337,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,879.20 : 470,818.80 = 224,944.80 : x
  2. Step 2: Convert to fraction form
    313,879.20/470,818.80 = 224,944.80/x
  3. Step 3: Cross multiply
    313,879.20x = 470,818.80 × 224,944.80
  4. Step 4: Simplify right side
    313,879.20x = 105,908,240,802.24
  5. Step 5: Solve for x
    x = 105,908,240,802.24/313,879.20
  6. Step 6: Final answer
    x = 337,417.20

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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.