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Finding the Fourth Proportional to 442,453.30, 662,695.80 and 363,721.30

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Solution

The fourth proportional to 442,453.30, 662,695.80 and 363,721.30 is: 544,772.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,453.30 : 662,695.80 = 363,721.30 : x
  2. Step 2: Convert to fraction form
    442,453.30/662,695.80 = 363,721.30/x
  3. Step 3: Cross multiply
    442,453.30x = 662,695.80 × 363,721.30
  4. Step 4: Simplify right side
    442,453.30x = 241,036,577,880.54
  5. Step 5: Solve for x
    x = 241,036,577,880.54/442,453.30
  6. Step 6: Final answer
    x = 544,772.92

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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.