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Finding the Fourth Proportional to 567.96, 851.48 and 522.40

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Solution

The fourth proportional to 567.96, 851.48 and 522.40 is: 783.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.96 : 851.48 = 522.40 : x
  2. Step 2: Convert to fraction form
    567.96/851.48 = 522.40/x
  3. Step 3: Cross multiply
    567.96x = 851.48 × 522.40
  4. Step 4: Simplify right side
    567.96x = 444,808.89
  5. Step 5: Solve for x
    x = 444,808.89/567.96
  6. Step 6: Final answer
    x = 783.18

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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.