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Finding the Fourth Proportional to 346,529.70, 519,794.55 and 252,051.30

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Solution

The fourth proportional to 346,529.70, 519,794.55 and 252,051.30 is: 378,076.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,529.70 : 519,794.55 = 252,051.30 : x
  2. Step 2: Convert to fraction form
    346,529.70/519,794.55 = 252,051.30/x
  3. Step 3: Cross multiply
    346,529.70x = 519,794.55 × 252,051.30
  4. Step 4: Simplify right side
    346,529.70x = 131,014,892,060.42
  5. Step 5: Solve for x
    x = 131,014,892,060.42/346,529.70
  6. Step 6: Final answer
    x = 378,076.95

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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.