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Finding the Fourth Proportional to 573.75, 856.32 and 567.54

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Solution

The fourth proportional to 573.75, 856.32 and 567.54 is: 847.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.75 : 856.32 = 567.54 : x
  2. Step 2: Convert to fraction form
    573.75/856.32 = 567.54/x
  3. Step 3: Cross multiply
    573.75x = 856.32 × 567.54
  4. Step 4: Simplify right side
    573.75x = 485,996.92
  5. Step 5: Solve for x
    x = 485,996.92/573.75
  6. Step 6: Final answer
    x = 847.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.