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Finding the Fourth Proportional to 692.34, 954 and 567.60

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Solution

The fourth proportional to 692.34, 954 and 567.60 is: 782.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    692.34 : 954 = 567.60 : x
  2. Step 2: Convert to fraction form
    692.34/954 = 567.60/x
  3. Step 3: Cross multiply
    692.34x = 954 × 567.60
  4. Step 4: Simplify right side
    692.34x = 541,490.40
  5. Step 5: Solve for x
    x = 541,490.40/692.34
  6. Step 6: Final answer
    x = 782.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.