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Finding the Fourth Proportional to 567.16, 851.16 and 384.92

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Solution

The fourth proportional to 567.16, 851.16 and 384.92 is: 577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.16 : 851.16 = 384.92 : x
  2. Step 2: Convert to fraction form
    567.16/851.16 = 384.92/x
  3. Step 3: Cross multiply
    567.16x = 851.16 × 384.92
  4. Step 4: Simplify right side
    567.16x = 327,628.51
  5. Step 5: Solve for x
    x = 327,628.51/567.16
  6. Step 6: Final answer
    x = 577.67

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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.