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Finding the Fourth Proportional to 313,597.20, 470,050.20 and 173,456.40

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Solution

The fourth proportional to 313,597.20, 470,050.20 and 173,456.40 is: 259,993.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,597.20 : 470,050.20 = 173,456.40 : x
  2. Step 2: Convert to fraction form
    313,597.20/470,050.20 = 173,456.40/x
  3. Step 3: Cross multiply
    313,597.20x = 470,050.20 × 173,456.40
  4. Step 4: Simplify right side
    313,597.20x = 81,533,215,511.28
  5. Step 5: Solve for x
    x = 81,533,215,511.28/313,597.20
  6. Step 6: Final answer
    x = 259,993.44

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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.