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Finding the Fourth Proportional to 431,699.32, 595,588.80 and 250,311.34

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Solution

The fourth proportional to 431,699.32, 595,588.80 and 250,311.34 is: 345,339.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,699.32 : 595,588.80 = 250,311.34 : x
  2. Step 2: Convert to fraction form
    431,699.32/595,588.80 = 250,311.34/x
  3. Step 3: Cross multiply
    431,699.32x = 595,588.80 × 250,311.34
  4. Step 4: Simplify right side
    431,699.32x = 149,082,630,616.99
  5. Step 5: Solve for x
    x = 149,082,630,616.99/431,699.32
  6. Step 6: Final answer
    x = 345,339.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.