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Finding the Fourth Proportional to 539,447.44, 809,210.16 and 207,023.44

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Solution

The fourth proportional to 539,447.44, 809,210.16 and 207,023.44 is: 310,550.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,447.44 : 809,210.16 = 207,023.44 : x
  2. Step 2: Convert to fraction form
    539,447.44/809,210.16 = 207,023.44/x
  3. Step 3: Cross multiply
    539,447.44x = 809,210.16 × 207,023.44
  4. Step 4: Simplify right side
    539,447.44x = 167,525,471,006.15
  5. Step 5: Solve for x
    x = 167,525,471,006.15/539,447.44
  6. Step 6: Final answer
    x = 310,550.13

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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.