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Finding the Fourth Proportional to 536,307.84, 804,800.61 and 299,805.66

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Solution

The fourth proportional to 536,307.84, 804,800.61 and 299,805.66 is: 449,897.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,307.84 : 804,800.61 = 299,805.66 : x
  2. Step 2: Convert to fraction form
    536,307.84/804,800.61 = 299,805.66/x
  3. Step 3: Cross multiply
    536,307.84x = 804,800.61 × 299,805.66
  4. Step 4: Simplify right side
    536,307.84x = 241,283,778,049.45
  5. Step 5: Solve for x
    x = 241,283,778,049.45/536,307.84
  6. Step 6: Final answer
    x = 449,897.91

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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.