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Finding the Fourth Proportional to 1,632.16, 2,448.88 and 606.88

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Solution

The fourth proportional to 1,632.16, 2,448.88 and 606.88 is: 910.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.16 : 2,448.88 = 606.88 : x
  2. Step 2: Convert to fraction form
    1,632.16/2,448.88 = 606.88/x
  3. Step 3: Cross multiply
    1,632.16x = 2,448.88 × 606.88
  4. Step 4: Simplify right side
    1,632.16x = 1,486,176.29
  5. Step 5: Solve for x
    x = 1,486,176.29/1,632.16
  6. Step 6: Final answer
    x = 910.56

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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.