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Finding the Fourth Proportional to 447,880.72, 618,047.04 and 246,676.72

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Solution

The fourth proportional to 447,880.72, 618,047.04 and 246,676.72 is: 340,398.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,880.72 : 618,047.04 = 246,676.72 : x
  2. Step 2: Convert to fraction form
    447,880.72/618,047.04 = 246,676.72/x
  3. Step 3: Cross multiply
    447,880.72x = 618,047.04 × 246,676.72
  4. Step 4: Simplify right side
    447,880.72x = 152,457,816,632.91
  5. Step 5: Solve for x
    x = 152,457,816,632.91/447,880.72
  6. Step 6: Final answer
    x = 340,398.26

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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.