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Finding the Fourth Proportional to 477.37, 716.14 and 152.67

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Solution

The fourth proportional to 477.37, 716.14 and 152.67 is: 229.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    477.37 : 716.14 = 152.67 : x
  2. Step 2: Convert to fraction form
    477.37/716.14 = 152.67/x
  3. Step 3: Cross multiply
    477.37x = 716.14 × 152.67
  4. Step 4: Simplify right side
    477.37x = 109,333.09
  5. Step 5: Solve for x
    x = 109,333.09/477.37
  6. Step 6: Final answer
    x = 229.03

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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.