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Finding the Fourth Proportional to 404,763.90, 605,590.65 and 264,795.90

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Solution

The fourth proportional to 404,763.90, 605,590.65 and 264,795.90 is: 396,176.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,763.90 : 605,590.65 = 264,795.90 : x
  2. Step 2: Convert to fraction form
    404,763.90/605,590.65 = 264,795.90/x
  3. Step 3: Cross multiply
    404,763.90x = 605,590.65 × 264,795.90
  4. Step 4: Simplify right side
    404,763.90x = 160,357,921,198.34
  5. Step 5: Solve for x
    x = 160,357,921,198.34/404,763.90
  6. Step 6: Final answer
    x = 396,176.44

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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.