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Finding the Fourth Proportional to 235,852.56, 325,794.96 and 188,438.40

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Solution

The fourth proportional to 235,852.56, 325,794.96 and 188,438.40 is: 260,299.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,852.56 : 325,794.96 = 188,438.40 : x
  2. Step 2: Convert to fraction form
    235,852.56/325,794.96 = 188,438.40/x
  3. Step 3: Cross multiply
    235,852.56x = 325,794.96 × 188,438.40
  4. Step 4: Simplify right side
    235,852.56x = 61,392,280,990.46
  5. Step 5: Solve for x
    x = 61,392,280,990.46/235,852.56
  6. Step 6: Final answer
    x = 260,299.40

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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.