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Finding the Fourth Proportional to 507,857.22, 761,778.23 and 123,607.39

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Solution

The fourth proportional to 507,857.22, 761,778.23 and 123,607.39 is: 185,409.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,857.22 : 761,778.23 = 123,607.39 : x
  2. Step 2: Convert to fraction form
    507,857.22/761,778.23 = 123,607.39/x
  3. Step 3: Cross multiply
    507,857.22x = 761,778.23 × 123,607.39
  4. Step 4: Simplify right side
    507,857.22x = 94,161,418,769.12
  5. Step 5: Solve for x
    x = 94,161,418,769.12/507,857.22
  6. Step 6: Final answer
    x = 185,409.24

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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.