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Finding the Fourth Proportional to 827,234.65, 1,155,766.55 and 827,234.65

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Solution

The fourth proportional to 827,234.65, 1,155,766.55 and 827,234.65 is: 1,155,766.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,234.65 : 1,155,766.55 = 827,234.65 : x
  2. Step 2: Convert to fraction form
    827,234.65/1,155,766.55 = 827,234.65/x
  3. Step 3: Cross multiply
    827,234.65x = 1,155,766.55 × 827,234.65
  4. Step 4: Simplify right side
    827,234.65x = 956,090,137,470.96
  5. Step 5: Solve for x
    x = 956,090,137,470.96/827,234.65
  6. Step 6: Final answer
    x = 1,155,766.55

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.