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Finding the Fourth Proportional to 383,096.32, 574,644.80 and 120,440.32

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Solution

The fourth proportional to 383,096.32, 574,644.80 and 120,440.32 is: 180,660.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,096.32 : 574,644.80 = 120,440.32 : x
  2. Step 2: Convert to fraction form
    383,096.32/574,644.80 = 120,440.32/x
  3. Step 3: Cross multiply
    383,096.32x = 574,644.80 × 120,440.32
  4. Step 4: Simplify right side
    383,096.32x = 69,210,403,598.34
  5. Step 5: Solve for x
    x = 69,210,403,598.34/383,096.32
  6. Step 6: Final answer
    x = 180,660.58

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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.