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Finding the Fourth Proportional to 441,362.40, 662,203.92 and 216,698.88

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Solution

The fourth proportional to 441,362.40, 662,203.92 and 216,698.88 is: 325,127.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,362.40 : 662,203.92 = 216,698.88 : x
  2. Step 2: Convert to fraction form
    441,362.40/662,203.92 = 216,698.88/x
  3. Step 3: Cross multiply
    441,362.40x = 662,203.92 × 216,698.88
  4. Step 4: Simplify right side
    441,362.40x = 143,498,847,795.61
  5. Step 5: Solve for x
    x = 143,498,847,795.61/441,362.40
  6. Step 6: Final answer
    x = 325,127.03

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1.5x scale

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.