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Finding the Fourth Proportional to 447,881.72, 618,048.42 and 246,677.72

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Solution

The fourth proportional to 447,881.72, 618,048.42 and 246,677.72 is: 340,399.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,881.72 : 618,048.42 = 246,677.72 : x
  2. Step 2: Convert to fraction form
    447,881.72/618,048.42 = 246,677.72/x
  3. Step 3: Cross multiply
    447,881.72x = 618,048.42 × 246,677.72
  4. Step 4: Simplify right side
    447,881.72x = 152,458,775,095.20
  5. Step 5: Solve for x
    x = 152,458,775,095.20/447,881.72
  6. Step 6: Final answer
    x = 340,399.64

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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.