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Finding the Fourth Proportional to 559,321.02, 771,841.18 and 341,893.71

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Solution

The fourth proportional to 559,321.02, 771,841.18 and 341,893.71 is: 471,799.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,321.02 : 771,841.18 = 341,893.71 : x
  2. Step 2: Convert to fraction form
    559,321.02/771,841.18 = 341,893.71/x
  3. Step 3: Cross multiply
    559,321.02x = 771,841.18 × 341,893.71
  4. Step 4: Simplify right side
    559,321.02x = 263,887,644,560.98
  5. Step 5: Solve for x
    x = 263,887,644,560.98/559,321.02
  6. Step 6: Final answer
    x = 471,799.98

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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.