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Finding the Fourth Proportional to 447,094.98, 616,978.53 and 245,890.98

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Solution

The fourth proportional to 447,094.98, 616,978.53 and 245,890.98 is: 339,322.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,094.98 : 616,978.53 = 245,890.98 : x
  2. Step 2: Convert to fraction form
    447,094.98/616,978.53 = 245,890.98/x
  3. Step 3: Cross multiply
    447,094.98x = 616,978.53 × 245,890.98
  4. Step 4: Simplify right side
    447,094.98x = 151,709,455,380.66
  5. Step 5: Solve for x
    x = 151,709,455,380.66/447,094.98
  6. Step 6: Final answer
    x = 339,322.65

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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.