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Finding the Fourth Proportional to 692,736.89, 956,637.15 and 654,996.80

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Solution

The fourth proportional to 692,736.89, 956,637.15 and 654,996.80 is: 904,519.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,736.89 : 956,637.15 = 654,996.80 : x
  2. Step 2: Convert to fraction form
    692,736.89/956,637.15 = 654,996.80/x
  3. Step 3: Cross multiply
    692,736.89x = 956,637.15 × 654,996.80
  4. Step 4: Simplify right side
    692,736.89x = 626,594,267,227.93
  5. Step 5: Solve for x
    x = 626,594,267,227.93/692,736.89
  6. Step 6: Final answer
    x = 904,519.86

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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.