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Finding the Fourth Proportional to 692,536.50, 955,716.48 and 434,424.33

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Solution

The fourth proportional to 692,536.50, 955,716.48 and 434,424.33 is: 599,515.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,536.50 : 955,716.48 = 434,424.33 : x
  2. Step 2: Convert to fraction form
    692,536.50/955,716.48 = 434,424.33/x
  3. Step 3: Cross multiply
    692,536.50x = 955,716.48 × 434,424.33
  4. Step 4: Simplify right side
    692,536.50x = 415,186,491,493.96
  5. Step 5: Solve for x
    x = 415,186,491,493.96/692,536.50
  6. Step 6: Final answer
    x = 599,515.68

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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.