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Finding the Fourth Proportional to 539,673.73, 809,369.45 and 160,492.28

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Solution

The fourth proportional to 539,673.73, 809,369.45 and 160,492.28 is: 240,696.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,673.73 : 809,369.45 = 160,492.28 : x
  2. Step 2: Convert to fraction form
    539,673.73/809,369.45 = 160,492.28/x
  3. Step 3: Cross multiply
    539,673.73x = 809,369.45 × 160,492.28
  4. Step 4: Simplify right side
    539,673.73x = 129,897,548,392.85
  5. Step 5: Solve for x
    x = 129,897,548,392.85/539,673.73
  6. Step 6: Final answer
    x = 240,696.45

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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.