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Finding the Fourth Proportional to 441,137.42, 608,663.50 and 259,835.12

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Solution

The fourth proportional to 441,137.42, 608,663.50 and 259,835.12 is: 358,509.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,137.42 : 608,663.50 = 259,835.12 : x
  2. Step 2: Convert to fraction form
    441,137.42/608,663.50 = 259,835.12/x
  3. Step 3: Cross multiply
    441,137.42x = 608,663.50 × 259,835.12
  4. Step 4: Simplify right side
    441,137.42x = 158,152,153,562.12
  5. Step 5: Solve for x
    x = 158,152,153,562.12/441,137.42
  6. Step 6: Final answer
    x = 358,509.95

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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.