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Finding the Fourth Proportional to 408,566.34, 612,853.83 and 124,303.17

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Solution

The fourth proportional to 408,566.34, 612,853.83 and 124,303.17 is: 186,456.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,566.34 : 612,853.83 = 124,303.17 : x
  2. Step 2: Convert to fraction form
    408,566.34/612,853.83 = 124,303.17/x
  3. Step 3: Cross multiply
    408,566.34x = 612,853.83 × 124,303.17
  4. Step 4: Simplify right side
    408,566.34x = 76,179,673,815.64
  5. Step 5: Solve for x
    x = 76,179,673,815.64/408,566.34
  6. Step 6: Final answer
    x = 186,456.07

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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.