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Finding the Fourth Proportional to 384,330.20, 574,940.10 and 337,674.20

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Solution

The fourth proportional to 384,330.20, 574,940.10 and 337,674.20 is: 505,144.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,330.20 : 574,940.10 = 337,674.20 : x
  2. Step 2: Convert to fraction form
    384,330.20/574,940.10 = 337,674.20/x
  3. Step 3: Cross multiply
    384,330.20x = 574,940.10 × 337,674.20
  4. Step 4: Simplify right side
    384,330.20x = 194,142,438,315.42
  5. Step 5: Solve for x
    x = 194,142,438,315.42/384,330.20
  6. Step 6: Final answer
    x = 505,144.89

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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.