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Finding the Fourth Proportional to 408,659.82, 563,941.74 and 236,585.06

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Solution

The fourth proportional to 408,659.82, 563,941.74 and 236,585.06 is: 326,482.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,659.82 : 563,941.74 = 236,585.06 : x
  2. Step 2: Convert to fraction form
    408,659.82/563,941.74 = 236,585.06/x
  3. Step 3: Cross multiply
    408,659.82x = 563,941.74 × 236,585.06
  4. Step 4: Simplify right side
    408,659.82x = 133,420,190,394.40
  5. Step 5: Solve for x
    x = 133,420,190,394.40/408,659.82
  6. Step 6: Final answer
    x = 326,482.28

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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.