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Finding the Fourth Proportional to 414,528.79, 621,800.49 and 148,480.24

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Solution

The fourth proportional to 414,528.79, 621,800.49 and 148,480.24 is: 222,722.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,528.79 : 621,800.49 = 148,480.24 : x
  2. Step 2: Convert to fraction form
    414,528.79/621,800.49 = 148,480.24/x
  3. Step 3: Cross multiply
    414,528.79x = 621,800.49 × 148,480.24
  4. Step 4: Simplify right side
    414,528.79x = 92,325,085,987.32
  5. Step 5: Solve for x
    x = 92,325,085,987.32/414,528.79
  6. Step 6: Final answer
    x = 222,722.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.