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Finding the Fourth Proportional to 636,034.82, 877,738.29 and 364,101.62

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Solution

The fourth proportional to 636,034.82, 877,738.29 and 364,101.62 is: 502,466.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,034.82 : 877,738.29 = 364,101.62 : x
  2. Step 2: Convert to fraction form
    636,034.82/877,738.29 = 364,101.62/x
  3. Step 3: Cross multiply
    636,034.82x = 877,738.29 × 364,101.62
  4. Step 4: Simplify right side
    636,034.82x = 319,585,933,325.03
  5. Step 5: Solve for x
    x = 319,585,933,325.03/636,034.82
  6. Step 6: Final answer
    x = 502,466.10

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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.