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Finding the Fourth Proportional to 383,952.52, 529,853.70 and 214,176.52

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Solution

The fourth proportional to 383,952.52, 529,853.70 and 214,176.52 is: 295,563.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,952.52 : 529,853.70 = 214,176.52 : x
  2. Step 2: Convert to fraction form
    383,952.52/529,853.70 = 214,176.52/x
  3. Step 3: Cross multiply
    383,952.52x = 529,853.70 × 214,176.52
  4. Step 4: Simplify right side
    383,952.52x = 113,482,221,575.12
  5. Step 5: Solve for x
    x = 113,482,221,575.12/383,952.52
  6. Step 6: Final answer
    x = 295,563.16

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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.