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Finding the Fourth Proportional to 369,404.34, 554,137.94 and 116,617.21

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Solution

The fourth proportional to 369,404.34, 554,137.94 and 116,617.21 is: 174,935.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,404.34 : 554,137.94 = 116,617.21 : x
  2. Step 2: Convert to fraction form
    369,404.34/554,137.94 = 116,617.21/x
  3. Step 3: Cross multiply
    369,404.34x = 554,137.94 × 116,617.21
  4. Step 4: Simplify right side
    369,404.34x = 64,622,020,517.95
  5. Step 5: Solve for x
    x = 64,622,020,517.95/369,404.34
  6. Step 6: Final answer
    x = 174,935.74

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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.