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Finding the Fourth Proportional to 281,690.08, 422,250.80 and 176,582.86

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Solution

The fourth proportional to 281,690.08, 422,250.80 and 176,582.86 is: 264,696.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,690.08 : 422,250.80 = 176,582.86 : x
  2. Step 2: Convert to fraction form
    281,690.08/422,250.80 = 176,582.86/x
  3. Step 3: Cross multiply
    281,690.08x = 422,250.80 × 176,582.86
  4. Step 4: Simplify right side
    281,690.08x = 74,562,253,901.29
  5. Step 5: Solve for x
    x = 74,562,253,901.29/281,690.08
  6. Step 6: Final answer
    x = 264,696.06

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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.