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Finding the Fourth Proportional to 383,635.69, 529,197.49 and 240,146.62

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Solution

The fourth proportional to 383,635.69, 529,197.49 and 240,146.62 is: 331,264.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,635.69 : 529,197.49 = 240,146.62 : x
  2. Step 2: Convert to fraction form
    383,635.69/529,197.49 = 240,146.62/x
  3. Step 3: Cross multiply
    383,635.69x = 529,197.49 × 240,146.62
  4. Step 4: Simplify right side
    383,635.69x = 127,084,987,513.17
  5. Step 5: Solve for x
    x = 127,084,987,513.17/383,635.69
  6. Step 6: Final answer
    x = 331,264.77

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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.