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Finding the Fourth Proportional to 567.94, 852.69 and 558.22

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Solution

The fourth proportional to 567.94, 852.69 and 558.22 is: 838.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.94 : 852.69 = 558.22 : x
  2. Step 2: Convert to fraction form
    567.94/852.69 = 558.22/x
  3. Step 3: Cross multiply
    567.94x = 852.69 × 558.22
  4. Step 4: Simplify right side
    567.94x = 475,988.61
  5. Step 5: Solve for x
    x = 475,988.61/567.94
  6. Step 6: Final answer
    x = 838.10

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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.