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Finding the Fourth Proportional to 681,543.74, 939,978.23 and 599,695.26

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Solution

The fourth proportional to 681,543.74, 939,978.23 and 599,695.26 is: 827,093.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,543.74 : 939,978.23 = 599,695.26 : x
  2. Step 2: Convert to fraction form
    681,543.74/939,978.23 = 599,695.26/x
  3. Step 3: Cross multiply
    681,543.74x = 939,978.23 × 599,695.26
  4. Step 4: Simplify right side
    681,543.74x = 563,700,486,035.71
  5. Step 5: Solve for x
    x = 563,700,486,035.71/681,543.74
  6. Step 6: Final answer
    x = 827,093.64

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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.