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Finding the Fourth Proportional to 292,552.48, 438,843.76 and 82,206.82

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Solution

The fourth proportional to 292,552.48, 438,843.76 and 82,206.82 is: 123,314.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,552.48 : 438,843.76 = 82,206.82 : x
  2. Step 2: Convert to fraction form
    292,552.48/438,843.76 = 82,206.82/x
  3. Step 3: Cross multiply
    292,552.48x = 438,843.76 × 82,206.82
  4. Step 4: Simplify right side
    292,552.48x = 36,075,949,986.44
  5. Step 5: Solve for x
    x = 36,075,949,986.44/292,552.48
  6. Step 6: Final answer
    x = 123,314.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.