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Finding the Fourth Proportional to 383,652.36, 529,774.56 and 240,658.20

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Solution

The fourth proportional to 383,652.36, 529,774.56 and 240,658.20 is: 332,318.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,652.36 : 529,774.56 = 240,658.20 : x
  2. Step 2: Convert to fraction form
    383,652.36/529,774.56 = 240,658.20/x
  3. Step 3: Cross multiply
    383,652.36x = 529,774.56 × 240,658.20
  4. Step 4: Simplify right side
    383,652.36x = 127,494,592,015.39
  5. Step 5: Solve for x
    x = 127,494,592,015.39/383,652.36
  6. Step 6: Final answer
    x = 332,318.02

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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.