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Finding the Fourth Proportional to 646,171.72, 969,290.16 and 246,847.12

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Solution

The fourth proportional to 646,171.72, 969,290.16 and 246,847.12 is: 370,283.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,171.72 : 969,290.16 = 246,847.12 : x
  2. Step 2: Convert to fraction form
    646,171.72/969,290.16 = 246,847.12/x
  3. Step 3: Cross multiply
    646,171.72x = 969,290.16 × 246,847.12
  4. Step 4: Simplify right side
    646,171.72x = 239,266,484,440.34
  5. Step 5: Solve for x
    x = 239,266,484,440.34/646,171.72
  6. Step 6: Final answer
    x = 370,283.13

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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.