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Finding the Fourth Proportional to 439,814.81, 606,944.44 and 238,610.81

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Solution

The fourth proportional to 439,814.81, 606,944.44 and 238,610.81 is: 329,282.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,814.81 : 606,944.44 = 238,610.81 : x
  2. Step 2: Convert to fraction form
    439,814.81/606,944.44 = 238,610.81/x
  3. Step 3: Cross multiply
    439,814.81x = 606,944.44 × 238,610.81
  4. Step 4: Simplify right side
    439,814.81x = 144,823,506,269.02
  5. Step 5: Solve for x
    x = 144,823,506,269.02/439,814.81
  6. Step 6: Final answer
    x = 329,282.92

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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.