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Finding the Fourth Proportional to 671,072.14, 926,051.61 and 365,149.72

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Solution

The fourth proportional to 671,072.14, 926,051.61 and 365,149.72 is: 503,891.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,072.14 : 926,051.61 = 365,149.72 : x
  2. Step 2: Convert to fraction form
    671,072.14/926,051.61 = 365,149.72/x
  3. Step 3: Cross multiply
    671,072.14x = 926,051.61 × 365,149.72
  4. Step 4: Simplify right side
    671,072.14x = 338,147,486,097.05
  5. Step 5: Solve for x
    x = 338,147,486,097.05/671,072.14
  6. Step 6: Final answer
    x = 503,891.41

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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.