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Finding the Fourth Proportional to 539,391.76, 809,248.56 and 160,325.04

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Solution

The fourth proportional to 539,391.76, 809,248.56 and 160,325.04 is: 240,535.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,391.76 : 809,248.56 = 160,325.04 : x
  2. Step 2: Convert to fraction form
    539,391.76/809,248.56 = 160,325.04/x
  3. Step 3: Cross multiply
    539,391.76x = 809,248.56 × 160,325.04
  4. Step 4: Simplify right side
    539,391.76x = 129,742,807,751.94
  5. Step 5: Solve for x
    x = 129,742,807,751.94/539,391.76
  6. Step 6: Final answer
    x = 240,535.39

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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.