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Finding the Fourth Proportional to 692,736.28, 956,636.28 and 654,996.17

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Solution

The fourth proportional to 692,736.28, 956,636.28 and 654,996.17 is: 904,518.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,736.28 : 956,636.28 = 654,996.17 : x
  2. Step 2: Convert to fraction form
    692,736.28/956,636.28 = 654,996.17/x
  3. Step 3: Cross multiply
    692,736.28x = 956,636.28 × 654,996.17
  4. Step 4: Simplify right side
    692,736.28x = 626,593,096,208.07
  5. Step 5: Solve for x
    x = 626,593,096,208.07/692,736.28
  6. Step 6: Final answer
    x = 904,518.96

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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.