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Finding the Fourth Proportional to 350,652.78, 483,520.32 and 223,165.26

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Solution

The fourth proportional to 350,652.78, 483,520.32 and 223,165.26 is: 307,725.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,652.78 : 483,520.32 = 223,165.26 : x
  2. Step 2: Convert to fraction form
    350,652.78/483,520.32 = 223,165.26/x
  3. Step 3: Cross multiply
    350,652.78x = 483,520.32 × 223,165.26
  4. Step 4: Simplify right side
    350,652.78x = 107,904,937,928.08
  5. Step 5: Solve for x
    x = 107,904,937,928.08/350,652.78
  6. Step 6: Final answer
    x = 307,725.89

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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.