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Finding the Fourth Proportional to 346,774.58, 520,179.88 and 110,135.78

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Solution

The fourth proportional to 346,774.58, 520,179.88 and 110,135.78 is: 165,209.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,774.58 : 520,179.88 = 110,135.78 : x
  2. Step 2: Convert to fraction form
    346,774.58/520,179.88 = 110,135.78/x
  3. Step 3: Cross multiply
    346,774.58x = 520,179.88 × 110,135.78
  4. Step 4: Simplify right side
    346,774.58x = 57,290,416,824.11
  5. Step 5: Solve for x
    x = 57,290,416,824.11/346,774.58
  6. Step 6: Final answer
    x = 165,209.39

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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.