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Finding the Fourth Proportional to 434,813.70, 600,048.88 and 325,724.78

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Solution

The fourth proportional to 434,813.70, 600,048.88 and 325,724.78 is: 449,504.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,813.70 : 600,048.88 = 325,724.78 : x
  2. Step 2: Convert to fraction form
    434,813.70/600,048.88 = 325,724.78/x
  3. Step 3: Cross multiply
    434,813.70x = 600,048.88 × 325,724.78
  4. Step 4: Simplify right side
    434,813.70x = 195,450,789,427.25
  5. Step 5: Solve for x
    x = 195,450,789,427.25/434,813.70
  6. Step 6: Final answer
    x = 449,504.67

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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.