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Finding the Fourth Proportional to 569,211.60, 854,801.55 and 303,491.10

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Solution

The fourth proportional to 569,211.60, 854,801.55 and 303,491.10 is: 455,761.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,211.60 : 854,801.55 = 303,491.10 : x
  2. Step 2: Convert to fraction form
    569,211.60/854,801.55 = 303,491.10/x
  3. Step 3: Cross multiply
    569,211.60x = 854,801.55 × 303,491.10
  4. Step 4: Simplify right side
    569,211.60x = 259,424,662,691.21
  5. Step 5: Solve for x
    x = 259,424,662,691.21/569,211.60
  6. Step 6: Final answer
    x = 455,761.38

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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.