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Finding the Fourth Proportional to 332.64, 498.60 and 188.16

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Solution

The fourth proportional to 332.64, 498.60 and 188.16 is: 282.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.64 : 498.60 = 188.16 : x
  2. Step 2: Convert to fraction form
    332.64/498.60 = 188.16/x
  3. Step 3: Cross multiply
    332.64x = 498.60 × 188.16
  4. Step 4: Simplify right side
    332.64x = 93,816.58
  5. Step 5: Solve for x
    x = 93,816.58/332.64
  6. Step 6: Final answer
    x = 282.04

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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.