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Finding the Fourth Proportional to 441,821.84, 609,731.40 and 250,853

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Solution

The fourth proportional to 441,821.84, 609,731.40 and 250,853 is: 346,186.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,821.84 : 609,731.40 = 250,853 : x
  2. Step 2: Convert to fraction form
    441,821.84/609,731.40 = 250,853/x
  3. Step 3: Cross multiply
    441,821.84x = 609,731.40 × 250,853
  4. Step 4: Simplify right side
    441,821.84x = 152,952,950,884.20
  5. Step 5: Solve for x
    x = 152,952,950,884.20/441,821.84
  6. Step 6: Final answer
    x = 346,186.94

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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.