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Finding the Fourth Proportional to 692,592, 955,791.90 and 382,493.60

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Solution

The fourth proportional to 692,592, 955,791.90 and 382,493.60 is: 527,849.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,592 : 955,791.90 = 382,493.60 : x
  2. Step 2: Convert to fraction form
    692,592/955,791.90 = 382,493.60/x
  3. Step 3: Cross multiply
    692,592x = 955,791.90 × 382,493.60
  4. Step 4: Simplify right side
    692,592x = 365,584,284,681.84
  5. Step 5: Solve for x
    x = 365,584,284,681.84/692,592
  6. Step 6: Final answer
    x = 527,849.42

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1.5x scale

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.