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Finding the Fourth Proportional to 539,522.92, 809,388.44 and 207,073

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Solution

The fourth proportional to 539,522.92, 809,388.44 and 207,073 is: 310,649.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,522.92 : 809,388.44 = 207,073 : x
  2. Step 2: Convert to fraction form
    539,522.92/809,388.44 = 207,073/x
  3. Step 3: Cross multiply
    539,522.92x = 809,388.44 × 207,073
  4. Step 4: Simplify right side
    539,522.92x = 167,602,492,436.12
  5. Step 5: Solve for x
    x = 167,602,492,436.12/539,522.92
  6. Step 6: Final answer
    x = 310,649.44

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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.