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Finding the Fourth Proportional to 300,605.13, 414,909.95 and 173,357.37

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Solution

The fourth proportional to 300,605.13, 414,909.95 and 173,357.37 is: 239,276.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,605.13 : 414,909.95 = 173,357.37 : x
  2. Step 2: Convert to fraction form
    300,605.13/414,909.95 = 173,357.37/x
  3. Step 3: Cross multiply
    300,605.13x = 414,909.95 × 173,357.37
  4. Step 4: Simplify right side
    300,605.13x = 71,927,696,852.04
  5. Step 5: Solve for x
    x = 71,927,696,852.04/300,605.13
  6. Step 6: Final answer
    x = 239,276.35

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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.