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Finding the Fourth Proportional to 936,609, 1,404,795 and 296,918.94

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Solution

The fourth proportional to 936,609, 1,404,795 and 296,918.94 is: 445,340.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,609 : 1,404,795 = 296,918.94 : x
  2. Step 2: Convert to fraction form
    936,609/1,404,795 = 296,918.94/x
  3. Step 3: Cross multiply
    936,609x = 1,404,795 × 296,918.94
  4. Step 4: Simplify right side
    936,609x = 417,110,242,317.30
  5. Step 5: Solve for x
    x = 417,110,242,317.30/936,609
  6. Step 6: Final answer
    x = 445,340.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.