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Finding the Fourth Proportional to 692,334.45, 955,422 and 382,237.29

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Solution

The fourth proportional to 692,334.45, 955,422 and 382,237.29 is: 527,487.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,334.45 : 955,422 = 382,237.29 : x
  2. Step 2: Convert to fraction form
    692,334.45/955,422 = 382,237.29/x
  3. Step 3: Cross multiply
    692,334.45x = 955,422 × 382,237.29
  4. Step 4: Simplify right side
    692,334.45x = 365,197,916,086.38
  5. Step 5: Solve for x
    x = 365,197,916,086.38/692,334.45
  6. Step 6: Final answer
    x = 527,487.71

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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.