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Finding the Fourth Proportional to 441,366.40, 662,209.92 and 216,702.88

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Solution

The fourth proportional to 441,366.40, 662,209.92 and 216,702.88 is: 325,133.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,366.40 : 662,209.92 = 216,702.88 : x
  2. Step 2: Convert to fraction form
    441,366.40/662,209.92 = 216,702.88/x
  3. Step 3: Cross multiply
    441,366.40x = 662,209.92 × 216,702.88
  4. Step 4: Simplify right side
    441,366.40x = 143,502,796,828.57
  5. Step 5: Solve for x
    x = 143,502,796,828.57/441,366.40
  6. Step 6: Final answer
    x = 325,133.03

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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.