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Finding the Fourth Proportional to 433,468.78, 598,187.45 and 239,884.51

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Solution

The fourth proportional to 433,468.78, 598,187.45 and 239,884.51 is: 331,040.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,468.78 : 598,187.45 = 239,884.51 : x
  2. Step 2: Convert to fraction form
    433,468.78/598,187.45 = 239,884.51/x
  3. Step 3: Cross multiply
    433,468.78x = 598,187.45 × 239,884.51
  4. Step 4: Simplify right side
    433,468.78x = 143,495,903,331.40
  5. Step 5: Solve for x
    x = 143,495,903,331.40/433,468.78
  6. Step 6: Final answer
    x = 331,040.92

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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.