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Finding the Fourth Proportional to 676,539, 1,014,868.44 and 177,903

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Solution

The fourth proportional to 676,539, 1,014,868.44 and 177,903 is: 266,870.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,539 : 1,014,868.44 = 177,903 : x
  2. Step 2: Convert to fraction form
    676,539/1,014,868.44 = 177,903/x
  3. Step 3: Cross multiply
    676,539x = 1,014,868.44 × 177,903
  4. Step 4: Simplify right side
    676,539x = 180,548,140,081.32
  5. Step 5: Solve for x
    x = 180,548,140,081.32/676,539
  6. Step 6: Final answer
    x = 266,870.26

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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.