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Finding the Fourth Proportional to 340,740.66, 470,211.08 and 195,570.33

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Solution

The fourth proportional to 340,740.66, 470,211.08 and 195,570.33 is: 269,880.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,740.66 : 470,211.08 = 195,570.33 : x
  2. Step 2: Convert to fraction form
    340,740.66/470,211.08 = 195,570.33/x
  3. Step 3: Cross multiply
    340,740.66x = 470,211.08 × 195,570.33
  4. Step 4: Simplify right side
    340,740.66x = 91,959,335,107.40
  5. Step 5: Solve for x
    x = 91,959,335,107.40/340,740.66
  6. Step 6: Final answer
    x = 269,880.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.