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Finding the Fourth Proportional to 383,440.30, 574,728.45 and 183,856.30

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Solution

The fourth proportional to 383,440.30, 574,728.45 and 183,856.30 is: 275,577.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,440.30 : 574,728.45 = 183,856.30 : x
  2. Step 2: Convert to fraction form
    383,440.30/574,728.45 = 183,856.30/x
  3. Step 3: Cross multiply
    383,440.30x = 574,728.45 × 183,856.30
  4. Step 4: Simplify right side
    383,440.30x = 105,667,446,321.74
  5. Step 5: Solve for x
    x = 105,667,446,321.74/383,440.30
  6. Step 6: Final answer
    x = 275,577.31

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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.