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Finding the Fourth Proportional to 692,185.50, 955,215.99 and 374,233.50

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Solution

The fourth proportional to 692,185.50, 955,215.99 and 374,233.50 is: 516,442.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,185.50 : 955,215.99 = 374,233.50 : x
  2. Step 2: Convert to fraction form
    692,185.50/955,215.99 = 374,233.50/x
  3. Step 3: Cross multiply
    692,185.50x = 955,215.99 × 374,233.50
  4. Step 4: Simplify right side
    692,185.50x = 357,473,823,193.67
  5. Step 5: Solve for x
    x = 357,473,823,193.67/692,185.50
  6. Step 6: Final answer
    x = 516,442.23

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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.