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Finding the Fourth Proportional to 291,874.80, 437,593.32 and 123,592.44

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Solution

The fourth proportional to 291,874.80, 437,593.32 and 123,592.44 is: 185,295.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,874.80 : 437,593.32 = 123,592.44 : x
  2. Step 2: Convert to fraction form
    291,874.80/437,593.32 = 123,592.44/x
  3. Step 3: Cross multiply
    291,874.80x = 437,593.32 × 123,592.44
  4. Step 4: Simplify right side
    291,874.80x = 54,083,226,146.50
  5. Step 5: Solve for x
    x = 54,083,226,146.50/291,874.80
  6. Step 6: Final answer
    x = 185,295.98

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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.