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Finding the Fourth Proportional to 464,850.80, 697,276.20 and 323,133.20

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Solution

The fourth proportional to 464,850.80, 697,276.20 and 323,133.20 is: 484,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,850.80 : 697,276.20 = 323,133.20 : x
  2. Step 2: Convert to fraction form
    464,850.80/697,276.20 = 323,133.20/x
  3. Step 3: Cross multiply
    464,850.80x = 697,276.20 × 323,133.20
  4. Step 4: Simplify right side
    464,850.80x = 225,313,089,789.84
  5. Step 5: Solve for x
    x = 225,313,089,789.84/464,850.80
  6. Step 6: Final answer
    x = 484,699.80

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Similar ratio
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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.