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Finding the Fourth Proportional to 444,615.17, 613,646.47 and 263,429.11

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Solution

The fourth proportional to 444,615.17, 613,646.47 and 263,429.11 is: 363,578.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,615.17 : 613,646.47 = 263,429.11 : x
  2. Step 2: Convert to fraction form
    444,615.17/613,646.47 = 263,429.11/x
  3. Step 3: Cross multiply
    444,615.17x = 613,646.47 × 263,429.11
  4. Step 4: Simplify right side
    444,615.17x = 161,652,345,310.14
  5. Step 5: Solve for x
    x = 161,652,345,310.14/444,615.17
  6. Step 6: Final answer
    x = 363,578.11

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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.