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Finding the Fourth Proportional to 531,879.36, 798,117 and 282,554.88

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Solution

The fourth proportional to 531,879.36, 798,117 and 282,554.88 is: 423,990.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,879.36 : 798,117 = 282,554.88 : x
  2. Step 2: Convert to fraction form
    531,879.36/798,117 = 282,554.88/x
  3. Step 3: Cross multiply
    531,879.36x = 798,117 × 282,554.88
  4. Step 4: Simplify right side
    531,879.36x = 225,511,853,160.96
  5. Step 5: Solve for x
    x = 225,511,853,160.96/531,879.36
  6. Step 6: Final answer
    x = 423,990.61

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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.