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Finding the Fourth Proportional to 346,212.80, 519,027.60 and 180,000.80

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Solution

The fourth proportional to 346,212.80, 519,027.60 and 180,000.80 is: 269,849.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,212.80 : 519,027.60 = 180,000.80 : x
  2. Step 2: Convert to fraction form
    346,212.80/519,027.60 = 180,000.80/x
  3. Step 3: Cross multiply
    346,212.80x = 519,027.60 × 180,000.80
  4. Step 4: Simplify right side
    346,212.80x = 93,425,383,222.08
  5. Step 5: Solve for x
    x = 93,425,383,222.08/346,212.80
  6. Step 6: Final answer
    x = 269,849.59

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1.5x scale

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.