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Finding the Fourth Proportional to 450,464.87, 621,641.33 and 246,515.78

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Solution

The fourth proportional to 450,464.87, 621,641.33 and 246,515.78 is: 340,191.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,464.87 : 621,641.33 = 246,515.78 : x
  2. Step 2: Convert to fraction form
    450,464.87/621,641.33 = 246,515.78/x
  3. Step 3: Cross multiply
    450,464.87x = 621,641.33 × 246,515.78
  4. Step 4: Simplify right side
    450,464.87x = 153,244,393,004.40
  5. Step 5: Solve for x
    x = 153,244,393,004.40/450,464.87
  6. Step 6: Final answer
    x = 340,191.67

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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.