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Finding the Fourth Proportional to 346,765.20, 519,564.60 and 228,375.60

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Solution

The fourth proportional to 346,765.20, 519,564.60 and 228,375.60 is: 342,179.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,765.20 : 519,564.60 = 228,375.60 : x
  2. Step 2: Convert to fraction form
    346,765.20/519,564.60 = 228,375.60/x
  3. Step 3: Cross multiply
    346,765.20x = 519,564.60 × 228,375.60
  4. Step 4: Simplify right side
    346,765.20x = 118,655,877,263.76
  5. Step 5: Solve for x
    x = 118,655,877,263.76/346,765.20
  6. Step 6: Final answer
    x = 342,179.31

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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.