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Finding the Fourth Proportional to 450,821.32, 622,133.61 and 246,884.94

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Solution

The fourth proportional to 450,821.32, 622,133.61 and 246,884.94 is: 340,701.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,821.32 : 622,133.61 = 246,884.94 : x
  2. Step 2: Convert to fraction form
    450,821.32/622,133.61 = 246,884.94/x
  3. Step 3: Cross multiply
    450,821.32x = 622,133.61 × 246,884.94
  4. Step 4: Simplify right side
    450,821.32x = 153,595,418,976.83
  5. Step 5: Solve for x
    x = 153,595,418,976.83/450,821.32
  6. Step 6: Final answer
    x = 340,701.32

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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.