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Finding the Fourth Proportional to 501,967.80, 692,716.59 and 272,525.36

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Solution

The fourth proportional to 501,967.80, 692,716.59 and 272,525.36 is: 376,085.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,967.80 : 692,716.59 = 272,525.36 : x
  2. Step 2: Convert to fraction form
    501,967.80/692,716.59 = 272,525.36/x
  3. Step 3: Cross multiply
    501,967.80x = 692,716.59 × 272,525.36
  4. Step 4: Simplify right side
    501,967.80x = 188,782,834,604.14
  5. Step 5: Solve for x
    x = 188,782,834,604.14/501,967.80
  6. Step 6: Final answer
    x = 376,085.55

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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.