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Finding the Fourth Proportional to 439,866.52, 607,015.41 and 238,662.52

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Solution

The fourth proportional to 439,866.52, 607,015.41 and 238,662.52 is: 329,354.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,866.52 : 607,015.41 = 238,662.52 : x
  2. Step 2: Convert to fraction form
    439,866.52/607,015.41 = 238,662.52/x
  3. Step 3: Cross multiply
    439,866.52x = 607,015.41 × 238,662.52
  4. Step 4: Simplify right side
    439,866.52x = 144,871,827,429.43
  5. Step 5: Solve for x
    x = 144,871,827,429.43/439,866.52
  6. Step 6: Final answer
    x = 329,354.07

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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.