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Finding the Fourth Proportional to 630,713.42, 946,194.76 and 231,357.90

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Solution

The fourth proportional to 630,713.42, 946,194.76 and 231,357.90 is: 347,082.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,713.42 : 946,194.76 = 231,357.90 : x
  2. Step 2: Convert to fraction form
    630,713.42/946,194.76 = 231,357.90/x
  3. Step 3: Cross multiply
    630,713.42x = 946,194.76 × 231,357.90
  4. Step 4: Simplify right side
    630,713.42x = 218,909,632,664.60
  5. Step 5: Solve for x
    x = 218,909,632,664.60/630,713.42
  6. Step 6: Final answer
    x = 347,082.57

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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.