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Finding the Fourth Proportional to 346,124.50, 519,241.62 and 146,446.39

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Solution

The fourth proportional to 346,124.50, 519,241.62 and 146,446.39 is: 219,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,124.50 : 519,241.62 = 146,446.39 : x
  2. Step 2: Convert to fraction form
    346,124.50/519,241.62 = 146,446.39/x
  3. Step 3: Cross multiply
    346,124.50x = 519,241.62 × 146,446.39
  4. Step 4: Simplify right side
    346,124.50x = 76,041,060,786.75
  5. Step 5: Solve for x
    x = 76,041,060,786.75/346,124.50
  6. Step 6: Final answer
    x = 219,692.80

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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.