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Finding the Fourth Proportional to 508,349.66, 761,944.52 and 238,195.22

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Solution

The fourth proportional to 508,349.66, 761,944.52 and 238,195.22 is: 357,021.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,349.66 : 761,944.52 = 238,195.22 : x
  2. Step 2: Convert to fraction form
    508,349.66/761,944.52 = 238,195.22/x
  3. Step 3: Cross multiply
    508,349.66x = 761,944.52 × 238,195.22
  4. Step 4: Simplify right side
    508,349.66x = 181,491,539,354.96
  5. Step 5: Solve for x
    x = 181,491,539,354.96/508,349.66
  6. Step 6: Final answer
    x = 357,021.07

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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.