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Finding the Fourth Proportional to 492,237.27, 679,287.45 and 265,882.77

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Solution

The fourth proportional to 492,237.27, 679,287.45 and 265,882.77 is: 366,918.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,237.27 : 679,287.45 = 265,882.77 : x
  2. Step 2: Convert to fraction form
    492,237.27/679,287.45 = 265,882.77/x
  3. Step 3: Cross multiply
    492,237.27x = 679,287.45 × 265,882.77
  4. Step 4: Simplify right side
    492,237.27x = 180,610,828,832.24
  5. Step 5: Solve for x
    x = 180,610,828,832.24/492,237.27
  6. Step 6: Final answer
    x = 366,918.23

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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.