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Finding the Fourth Proportional to 437,418.28, 599,700.40 and 429,446.67

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Solution

The fourth proportional to 437,418.28, 599,700.40 and 429,446.67 is: 588,771.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,418.28 : 599,700.40 = 429,446.67 : x
  2. Step 2: Convert to fraction form
    437,418.28/599,700.40 = 429,446.67/x
  3. Step 3: Cross multiply
    437,418.28x = 599,700.40 × 429,446.67
  4. Step 4: Simplify right side
    437,418.28x = 257,539,339,777.67
  5. Step 5: Solve for x
    x = 257,539,339,777.67/437,418.28
  6. Step 6: Final answer
    x = 588,771.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.