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Finding the Fourth Proportional to 544,066.80, 815,808.60 and 228,166.80

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Solution

The fourth proportional to 544,066.80, 815,808.60 and 228,166.80 is: 342,127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,066.80 : 815,808.60 = 228,166.80 : x
  2. Step 2: Convert to fraction form
    544,066.80/815,808.60 = 228,166.80/x
  3. Step 3: Cross multiply
    544,066.80x = 815,808.60 × 228,166.80
  4. Step 4: Simplify right side
    544,066.80x = 186,140,437,674.48
  5. Step 5: Solve for x
    x = 186,140,437,674.48/544,066.80
  6. Step 6: Final answer
    x = 342,127.91

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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.