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Finding the Fourth Proportional to 492,233.72, 679,282.50 and 265,879.22

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Solution

The fourth proportional to 492,233.72, 679,282.50 and 265,879.22 is: 366,913.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,233.72 : 679,282.50 = 265,879.22 : x
  2. Step 2: Convert to fraction form
    492,233.72/679,282.50 = 265,879.22/x
  3. Step 3: Cross multiply
    492,233.72x = 679,282.50 × 265,879.22
  4. Step 4: Simplify right side
    492,233.72x = 180,607,101,259.65
  5. Step 5: Solve for x
    x = 180,607,101,259.65/492,233.72
  6. Step 6: Final answer
    x = 366,913.31

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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.