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Finding the Fourth Proportional to 492,351.57, 679,445.19 and 265,997.07

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Solution

The fourth proportional to 492,351.57, 679,445.19 and 265,997.07 is: 367,075.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,351.57 : 679,445.19 = 265,997.07 : x
  2. Step 2: Convert to fraction form
    492,351.57/679,445.19 = 265,997.07/x
  3. Step 3: Cross multiply
    492,351.57x = 679,445.19 × 265,997.07
  4. Step 4: Simplify right side
    492,351.57x = 180,730,429,765.59
  5. Step 5: Solve for x
    x = 180,730,429,765.59/492,351.57
  6. Step 6: Final answer
    x = 367,075.97

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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.