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Finding the Fourth Proportional to 692,735.28, 956,634.89 and 654,995.17

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Solution

The fourth proportional to 692,735.28, 956,634.89 and 654,995.17 is: 904,517.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,735.28 : 956,634.89 = 654,995.17 : x
  2. Step 2: Convert to fraction form
    692,735.28/956,634.89 = 654,995.17/x
  3. Step 3: Cross multiply
    692,735.28x = 956,634.89 × 654,995.17
  4. Step 4: Simplify right side
    692,735.28x = 626,591,232,403.48
  5. Step 5: Solve for x
    x = 626,591,232,403.48/692,735.28
  6. Step 6: Final answer
    x = 904,517.57

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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.