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Finding the Fourth Proportional to 352,957.25, 487,079.66 and 200,024.60

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Solution

The fourth proportional to 352,957.25, 487,079.66 and 200,024.60 is: 276,033.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,957.25 : 487,079.66 = 200,024.60 : x
  2. Step 2: Convert to fraction form
    352,957.25/487,079.66 = 200,024.60/x
  3. Step 3: Cross multiply
    352,957.25x = 487,079.66 × 200,024.60
  4. Step 4: Simplify right side
    352,957.25x = 97,427,912,224.30
  5. Step 5: Solve for x
    x = 97,427,912,224.30/352,957.25
  6. Step 6: Final answer
    x = 276,033.18

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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.