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Finding the Fourth Proportional to 476,555.68, 657,651.39 and 261,700.24

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Solution

The fourth proportional to 476,555.68, 657,651.39 and 261,700.24 is: 361,148.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,555.68 : 657,651.39 = 261,700.24 : x
  2. Step 2: Convert to fraction form
    476,555.68/657,651.39 = 261,700.24/x
  3. Step 3: Cross multiply
    476,555.68x = 657,651.39 × 261,700.24
  4. Step 4: Simplify right side
    476,555.68x = 172,107,526,599.33
  5. Step 5: Solve for x
    x = 172,107,526,599.33/476,555.68
  6. Step 6: Final answer
    x = 361,148.83

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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.