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Finding the Fourth Proportional to 383,404.73, 529,086.74 and 240,243.71

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Solution

The fourth proportional to 383,404.73, 529,086.74 and 240,243.71 is: 331,528.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,404.73 : 529,086.74 = 240,243.71 : x
  2. Step 2: Convert to fraction form
    383,404.73/529,086.74 = 240,243.71/x
  3. Step 3: Cross multiply
    383,404.73x = 529,086.74 × 240,243.71
  4. Step 4: Simplify right side
    383,404.73x = 127,109,757,482.75
  5. Step 5: Solve for x
    x = 127,109,757,482.75/383,404.73
  6. Step 6: Final answer
    x = 331,528.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.