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Finding the Fourth Proportional to 383,632.92, 575,048.07 and 130,824.90

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Solution

The fourth proportional to 383,632.92, 575,048.07 and 130,824.90 is: 196,100.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,632.92 : 575,048.07 = 130,824.90 : x
  2. Step 2: Convert to fraction form
    383,632.92/575,048.07 = 130,824.90/x
  3. Step 3: Cross multiply
    383,632.92x = 575,048.07 × 130,824.90
  4. Step 4: Simplify right side
    383,632.92x = 75,230,606,252.94
  5. Step 5: Solve for x
    x = 75,230,606,252.94/383,632.92
  6. Step 6: Final answer
    x = 196,100.50

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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.