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Finding the Fourth Proportional to 636,039.82, 877,745.19 and 364,106.62

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Solution

The fourth proportional to 636,039.82, 877,745.19 and 364,106.62 is: 502,473.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,039.82 : 877,745.19 = 364,106.62 : x
  2. Step 2: Convert to fraction form
    636,039.82/877,745.19 = 364,106.62/x
  3. Step 3: Cross multiply
    636,039.82x = 877,745.19 × 364,106.62
  4. Step 4: Simplify right side
    636,039.82x = 319,592,834,352.16
  5. Step 5: Solve for x
    x = 319,592,834,352.16/636,039.82
  6. Step 6: Final answer
    x = 502,473.00

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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.