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Finding the Fourth Proportional to 598,763.70, 898,145.55 and 569,239.20

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Solution

The fourth proportional to 598,763.70, 898,145.55 and 569,239.20 is: 853,858.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,763.70 : 898,145.55 = 569,239.20 : x
  2. Step 2: Convert to fraction form
    598,763.70/898,145.55 = 569,239.20/x
  3. Step 3: Cross multiply
    598,763.70x = 898,145.55 × 569,239.20
  4. Step 4: Simplify right side
    598,763.70x = 511,259,654,365.56
  5. Step 5: Solve for x
    x = 511,259,654,365.56/598,763.70
  6. Step 6: Final answer
    x = 853,858.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.