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Finding the Fourth Proportional to 722,614.02, 996,805.60 and 569,086.62

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Solution

The fourth proportional to 722,614.02, 996,805.60 and 569,086.62 is: 785,023.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,614.02 : 996,805.60 = 569,086.62 : x
  2. Step 2: Convert to fraction form
    722,614.02/996,805.60 = 569,086.62/x
  3. Step 3: Cross multiply
    722,614.02x = 996,805.60 × 569,086.62
  4. Step 4: Simplify right side
    722,614.02x = 567,268,729,701.07
  5. Step 5: Solve for x
    x = 567,268,729,701.07/722,614.02
  6. Step 6: Final answer
    x = 785,023.14

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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.