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Finding the Fourth Proportional to 346,269.60, 519,404.40 and 169,122.60

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Solution

The fourth proportional to 346,269.60, 519,404.40 and 169,122.60 is: 253,683.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,269.60 : 519,404.40 = 169,122.60 : x
  2. Step 2: Convert to fraction form
    346,269.60/519,404.40 = 169,122.60/x
  3. Step 3: Cross multiply
    346,269.60x = 519,404.40 × 169,122.60
  4. Step 4: Simplify right side
    346,269.60x = 87,843,022,579.44
  5. Step 5: Solve for x
    x = 87,843,022,579.44/346,269.60
  6. Step 6: Final answer
    x = 253,683.90

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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.