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Finding the Fourth Proportional to 383,354.98, 529,033.58 and 211,279.24

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Solution

The fourth proportional to 383,354.98, 529,033.58 and 211,279.24 is: 291,567.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,354.98 : 529,033.58 = 211,279.24 : x
  2. Step 2: Convert to fraction form
    383,354.98/529,033.58 = 211,279.24/x
  3. Step 3: Cross multiply
    383,354.98x = 529,033.58 × 211,279.24
  4. Step 4: Simplify right side
    383,354.98x = 111,773,810,138.26
  5. Step 5: Solve for x
    x = 111,773,810,138.26/383,354.98
  6. Step 6: Final answer
    x = 291,567.39

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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.