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Finding the Fourth Proportional to 431,354.55, 595,271.64 and 250,173.92

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Solution

The fourth proportional to 431,354.55, 595,271.64 and 250,173.92 is: 345,241.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,354.55 : 595,271.64 = 250,173.92 : x
  2. Step 2: Convert to fraction form
    431,354.55/595,271.64 = 250,173.92/x
  3. Step 3: Cross multiply
    431,354.55x = 595,271.64 × 250,173.92
  4. Step 4: Simplify right side
    431,354.55x = 148,921,436,667.27
  5. Step 5: Solve for x
    x = 148,921,436,667.27/431,354.55
  6. Step 6: Final answer
    x = 345,241.37

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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.