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Finding the Fourth Proportional to 377,625.22, 521,122.94 and 207,858.13

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Solution

The fourth proportional to 377,625.22, 521,122.94 and 207,858.13 is: 286,844.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,625.22 : 521,122.94 = 207,858.13 : x
  2. Step 2: Convert to fraction form
    377,625.22/521,122.94 = 207,858.13/x
  3. Step 3: Cross multiply
    377,625.22x = 521,122.94 × 207,858.13
  4. Step 4: Simplify right side
    377,625.22x = 108,319,639,808.50
  5. Step 5: Solve for x
    x = 108,319,639,808.50/377,625.22
  6. Step 6: Final answer
    x = 286,844.29

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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.