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Finding the Fourth Proportional to 329,681, 494,477.22 and 93,042.68

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Solution

The fourth proportional to 329,681, 494,477.22 and 93,042.68 is: 139,551.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,681 : 494,477.22 = 93,042.68 : x
  2. Step 2: Convert to fraction form
    329,681/494,477.22 = 93,042.68/x
  3. Step 3: Cross multiply
    329,681x = 494,477.22 × 93,042.68
  4. Step 4: Simplify right side
    329,681x = 46,007,485,747.75
  5. Step 5: Solve for x
    x = 46,007,485,747.75/329,681
  6. Step 6: Final answer
    x = 139,551.52

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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.