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Finding the Fourth Proportional to 383,582.64, 529,127.28 and 240,093.57

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Solution

The fourth proportional to 383,582.64, 529,127.28 and 240,093.57 is: 331,193.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,582.64 : 529,127.28 = 240,093.57 : x
  2. Step 2: Convert to fraction form
    383,582.64/529,127.28 = 240,093.57/x
  3. Step 3: Cross multiply
    383,582.64x = 529,127.28 × 240,093.57
  4. Step 4: Simplify right side
    383,582.64x = 127,040,057,639.59
  5. Step 5: Solve for x
    x = 127,040,057,639.59/383,582.64
  6. Step 6: Final answer
    x = 331,193.45

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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.