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Finding the Fourth Proportional to 559,456.40, 839,190.46 and 447,846.10

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Solution

The fourth proportional to 559,456.40, 839,190.46 and 447,846.10 is: 671,773.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,456.40 : 839,190.46 = 447,846.10 : x
  2. Step 2: Convert to fraction form
    559,456.40/839,190.46 = 447,846.10/x
  3. Step 3: Cross multiply
    559,456.40x = 839,190.46 × 447,846.10
  4. Step 4: Simplify right side
    559,456.40x = 375,828,172,290.33
  5. Step 5: Solve for x
    x = 375,828,172,290.33/559,456.40
  6. Step 6: Final answer
    x = 671,773.83

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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.