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Finding the Fourth Proportional to 886,757.83, 1,223,924.99 and 580,656.42

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Solution

The fourth proportional to 886,757.83, 1,223,924.99 and 580,656.42 is: 801,436.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,757.83 : 1,223,924.99 = 580,656.42 : x
  2. Step 2: Convert to fraction form
    886,757.83/1,223,924.99 = 580,656.42/x
  3. Step 3: Cross multiply
    886,757.83x = 1,223,924.99 × 580,656.42
  4. Step 4: Simplify right side
    886,757.83x = 710,679,900,138.65
  5. Step 5: Solve for x
    x = 710,679,900,138.65/886,757.83
  6. Step 6: Final answer
    x = 801,436.29

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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.