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Finding the Fourth Proportional to 371,258.56, 512,336.56 and 210,110.64

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Solution

The fourth proportional to 371,258.56, 512,336.56 and 210,110.64 is: 289,952.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,258.56 : 512,336.56 = 210,110.64 : x
  2. Step 2: Convert to fraction form
    371,258.56/512,336.56 = 210,110.64/x
  3. Step 3: Cross multiply
    371,258.56x = 512,336.56 × 210,110.64
  4. Step 4: Simplify right side
    371,258.56x = 107,647,362,517.00
  5. Step 5: Solve for x
    x = 107,647,362,517.00/371,258.56
  6. Step 6: Final answer
    x = 289,952.54

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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.