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Finding the Fourth Proportional to 313,365.64, 470,048.46 and 113,640.70

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Solution

The fourth proportional to 313,365.64, 470,048.46 and 113,640.70 is: 170,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,365.64 : 470,048.46 = 113,640.70 : x
  2. Step 2: Convert to fraction form
    313,365.64/470,048.46 = 113,640.70/x
  3. Step 3: Cross multiply
    313,365.64x = 470,048.46 × 113,640.70
  4. Step 4: Simplify right side
    313,365.64x = 53,416,636,028.32
  5. Step 5: Solve for x
    x = 53,416,636,028.32/313,365.64
  6. Step 6: Final answer
    x = 170,461.05

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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.