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Finding the Fourth Proportional to 441,966.90, 662,950.35 and 274,005.30

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Solution

The fourth proportional to 441,966.90, 662,950.35 and 274,005.30 is: 411,007.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,966.90 : 662,950.35 = 274,005.30 : x
  2. Step 2: Convert to fraction form
    441,966.90/662,950.35 = 274,005.30/x
  3. Step 3: Cross multiply
    441,966.90x = 662,950.35 × 274,005.30
  4. Step 4: Simplify right side
    441,966.90x = 181,651,909,536.86
  5. Step 5: Solve for x
    x = 181,651,909,536.86/441,966.90
  6. Step 6: Final answer
    x = 411,007.95

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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.