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Finding the Fourth Proportional to 507,858.22, 761,779.73 and 123,608.39

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Solution

The fourth proportional to 507,858.22, 761,779.73 and 123,608.39 is: 185,410.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,858.22 : 761,779.73 = 123,608.39 : x
  2. Step 2: Convert to fraction form
    507,858.22/761,779.73 = 123,608.39/x
  3. Step 3: Cross multiply
    507,858.22x = 761,779.73 × 123,608.39
  4. Step 4: Simplify right side
    507,858.22x = 94,162,365,959.93
  5. Step 5: Solve for x
    x = 94,162,365,959.93/507,858.22
  6. Step 6: Final answer
    x = 185,410.74

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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.