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Finding the Fourth Proportional to 559,072.15, 771,498.52 and 341,644.39

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Solution

The fourth proportional to 559,072.15, 771,498.52 and 341,644.39 is: 471,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,072.15 : 771,498.52 = 341,644.39 : x
  2. Step 2: Convert to fraction form
    559,072.15/771,498.52 = 341,644.39/x
  3. Step 3: Cross multiply
    559,072.15x = 771,498.52 × 341,644.39
  4. Step 4: Simplify right side
    559,072.15x = 263,578,144,729.87
  5. Step 5: Solve for x
    x = 263,578,144,729.87/559,072.15
  6. Step 6: Final answer
    x = 471,456.40

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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.