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Finding the Fourth Proportional to 543,026.84, 749,377.04 and 301,348.30

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Solution

The fourth proportional to 543,026.84, 749,377.04 and 301,348.30 is: 415,860.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,026.84 : 749,377.04 = 301,348.30 : x
  2. Step 2: Convert to fraction form
    543,026.84/749,377.04 = 301,348.30/x
  3. Step 3: Cross multiply
    543,026.84x = 749,377.04 × 301,348.30
  4. Step 4: Simplify right side
    543,026.84x = 225,823,498,094.66
  5. Step 5: Solve for x
    x = 225,823,498,094.66/543,026.84
  6. Step 6: Final answer
    x = 415,860.66

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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.