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Finding the Fourth Proportional to 294,877.20, 441,659.70 and 228,100.80

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Solution

The fourth proportional to 294,877.20, 441,659.70 and 228,100.80 is: 341,643.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,877.20 : 441,659.70 = 228,100.80 : x
  2. Step 2: Convert to fraction form
    294,877.20/441,659.70 = 228,100.80/x
  3. Step 3: Cross multiply
    294,877.20x = 441,659.70 × 228,100.80
  4. Step 4: Simplify right side
    294,877.20x = 100,742,930,897.76
  5. Step 5: Solve for x
    x = 100,742,930,897.76/294,877.20
  6. Step 6: Final answer
    x = 341,643.68

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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.