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Finding the Fourth Proportional to 397,631.80, 596,447.70 and 397,631.80

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Solution

The fourth proportional to 397,631.80, 596,447.70 and 397,631.80 is: 596,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,631.80 : 596,447.70 = 397,631.80 : x
  2. Step 2: Convert to fraction form
    397,631.80/596,447.70 = 397,631.80/x
  3. Step 3: Cross multiply
    397,631.80x = 596,447.70 × 397,631.80
  4. Step 4: Simplify right side
    397,631.80x = 237,166,572,556.86
  5. Step 5: Solve for x
    x = 237,166,572,556.86/397,631.80
  6. Step 6: Final answer
    x = 596,447.70

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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.