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Finding the Fourth Proportional to 332.77, 499 and 101.60

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Solution

The fourth proportional to 332.77, 499 and 101.60 is: 152.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.77 : 499 = 101.60 : x
  2. Step 2: Convert to fraction form
    332.77/499 = 101.60/x
  3. Step 3: Cross multiply
    332.77x = 499 × 101.60
  4. Step 4: Simplify right side
    332.77x = 50,698.40
  5. Step 5: Solve for x
    x = 50,698.40/332.77
  6. Step 6: Final answer
    x = 152.35

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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.