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Finding the Fourth Proportional to 539,648.04, 809,511.22 and 207,224.04

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Solution

The fourth proportional to 539,648.04, 809,511.22 and 207,224.04 is: 310,851.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,648.04 : 809,511.22 = 207,224.04 : x
  2. Step 2: Convert to fraction form
    539,648.04/809,511.22 = 207,224.04/x
  3. Step 3: Cross multiply
    539,648.04x = 809,511.22 × 207,224.04
  4. Step 4: Simplify right side
    539,648.04x = 167,750,185,433.73
  5. Step 5: Solve for x
    x = 167,750,185,433.73/539,648.04
  6. Step 6: Final answer
    x = 310,851.10

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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.