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Finding the Fourth Proportional to 544,041.80, 815,771.10 and 228,141.80

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Solution

The fourth proportional to 544,041.80, 815,771.10 and 228,141.80 is: 342,090.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,041.80 : 815,771.10 = 228,141.80 : x
  2. Step 2: Convert to fraction form
    544,041.80/815,771.10 = 228,141.80/x
  3. Step 3: Cross multiply
    544,041.80x = 815,771.10 × 228,141.80
  4. Step 4: Simplify right side
    544,041.80x = 186,111,487,141.98
  5. Step 5: Solve for x
    x = 186,111,487,141.98/544,041.80
  6. Step 6: Final answer
    x = 342,090.42

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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.