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Finding the Fourth Proportional to 692,736.53, 956,636.61 and 654,996.42

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Solution

The fourth proportional to 692,736.53, 956,636.61 and 654,996.42 is: 904,519.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,736.53 : 956,636.61 = 654,996.42 : x
  2. Step 2: Convert to fraction form
    692,736.53/956,636.61 = 654,996.42/x
  3. Step 3: Cross multiply
    692,736.53x = 956,636.61 × 654,996.42
  4. Step 4: Simplify right side
    692,736.53x = 626,593,554,790.94
  5. Step 5: Solve for x
    x = 626,593,554,790.94/692,736.53
  6. Step 6: Final answer
    x = 904,519.29

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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.