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Finding the Fourth Proportional to 395,779.37, 546,234.15 and 250,598.64

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Solution

The fourth proportional to 395,779.37, 546,234.15 and 250,598.64 is: 345,863.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,779.37 : 546,234.15 = 250,598.64 : x
  2. Step 2: Convert to fraction form
    395,779.37/546,234.15 = 250,598.64/x
  3. Step 3: Cross multiply
    395,779.37x = 546,234.15 × 250,598.64
  4. Step 4: Simplify right side
    395,779.37x = 136,885,535,111.56
  5. Step 5: Solve for x
    x = 136,885,535,111.56/395,779.37
  6. Step 6: Final answer
    x = 345,863.24

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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.