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Finding the Fourth Proportional to 671,351.05, 926,488.89 and 365,412.64

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Solution

The fourth proportional to 671,351.05, 926,488.89 and 365,412.64 is: 504,282.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,351.05 : 926,488.89 = 365,412.64 : x
  2. Step 2: Convert to fraction form
    671,351.05/926,488.89 = 365,412.64/x
  3. Step 3: Cross multiply
    671,351.05x = 926,488.89 × 365,412.64
  4. Step 4: Simplify right side
    671,351.05x = 338,550,751,225.57
  5. Step 5: Solve for x
    x = 338,550,751,225.57/671,351.05
  6. Step 6: Final answer
    x = 504,282.75

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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.