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Finding the Fourth Proportional to 383,704.36, 529,846.32 and 240,710.20

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Solution

The fourth proportional to 383,704.36, 529,846.32 and 240,710.20 is: 332,389.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,704.36 : 529,846.32 = 240,710.20 : x
  2. Step 2: Convert to fraction form
    383,704.36/529,846.32 = 240,710.20/x
  3. Step 3: Cross multiply
    383,704.36x = 529,846.32 × 240,710.20
  4. Step 4: Simplify right side
    383,704.36x = 127,539,413,656.46
  5. Step 5: Solve for x
    x = 127,539,413,656.46/383,704.36
  6. Step 6: Final answer
    x = 332,389.80

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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.