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Finding the Fourth Proportional to 231,728.30, 347,268.45 and 184,424.30

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Solution

The fourth proportional to 231,728.30, 347,268.45 and 184,424.30 is: 276,378.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,728.30 : 347,268.45 = 184,424.30 : x
  2. Step 2: Convert to fraction form
    231,728.30/347,268.45 = 184,424.30/x
  3. Step 3: Cross multiply
    231,728.30x = 347,268.45 × 184,424.30
  4. Step 4: Simplify right side
    231,728.30x = 64,044,740,803.34
  5. Step 5: Solve for x
    x = 64,044,740,803.34/231,728.30
  6. Step 6: Final answer
    x = 276,378.59

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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.