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Finding the Fourth Proportional to 352,048.56, 485,852.76 and 201,142.32

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Solution

The fourth proportional to 352,048.56, 485,852.76 and 201,142.32 is: 277,591.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,048.56 : 485,852.76 = 201,142.32 : x
  2. Step 2: Convert to fraction form
    352,048.56/485,852.76 = 201,142.32/x
  3. Step 3: Cross multiply
    352,048.56x = 485,852.76 × 201,142.32
  4. Step 4: Simplify right side
    352,048.56x = 97,725,551,324.80
  5. Step 5: Solve for x
    x = 97,725,551,324.80/352,048.56
  6. Step 6: Final answer
    x = 277,591.11

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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.