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Finding the Fourth Proportional to 441,702.10, 663,537.30 and 423,768.70

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Solution

The fourth proportional to 441,702.10, 663,537.30 and 423,768.70 is: 636,597.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,702.10 : 663,537.30 = 423,768.70 : x
  2. Step 2: Convert to fraction form
    441,702.10/663,537.30 = 423,768.70/x
  3. Step 3: Cross multiply
    441,702.10x = 663,537.30 × 423,768.70
  4. Step 4: Simplify right side
    441,702.10x = 281,186,339,022.51
  5. Step 5: Solve for x
    x = 281,186,339,022.51/441,702.10
  6. Step 6: Final answer
    x = 636,597.24

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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.