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Finding the Fourth Proportional to 383,840.54, 576,259.73 and 295,156.31

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Solution

The fourth proportional to 383,840.54, 576,259.73 and 295,156.31 is: 443,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,840.54 : 576,259.73 = 295,156.31 : x
  2. Step 2: Convert to fraction form
    383,840.54/576,259.73 = 295,156.31/x
  3. Step 3: Cross multiply
    383,840.54x = 576,259.73 × 295,156.31
  4. Step 4: Simplify right side
    383,840.54x = 170,086,693,312.29
  5. Step 5: Solve for x
    x = 170,086,693,312.29/383,840.54
  6. Step 6: Final answer
    x = 443,118.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.