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Finding the Fourth Proportional to 336, 463.60 and 188.62

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Solution

The fourth proportional to 336, 463.60 and 188.62 is: 260.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    336 : 463.60 = 188.62 : x
  2. Step 2: Convert to fraction form
    336/463.60 = 188.62/x
  3. Step 3: Cross multiply
    336x = 463.60 × 188.62
  4. Step 4: Simplify right side
    336x = 87,444.23
  5. Step 5: Solve for x
    x = 87,444.23/336
  6. Step 6: Final answer
    x = 260.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.