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Finding the Fourth Proportional to 447,249.39, 618,089.72 and 366,549.63

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Solution

The fourth proportional to 447,249.39, 618,089.72 and 366,549.63 is: 506,564.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,249.39 : 618,089.72 = 366,549.63 : x
  2. Step 2: Convert to fraction form
    447,249.39/618,089.72 = 366,549.63/x
  3. Step 3: Cross multiply
    447,249.39x = 618,089.72 × 366,549.63
  4. Step 4: Simplify right side
    447,249.39x = 226,560,556,340.06
  5. Step 5: Solve for x
    x = 226,560,556,340.06/447,249.39
  6. Step 6: Final answer
    x = 506,564.26

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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.