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Finding the Fourth Proportional to 539,645.53, 809,394.56 and 160,624.76

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Solution

The fourth proportional to 539,645.53, 809,394.56 and 160,624.76 is: 240,915.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,645.53 : 809,394.56 = 160,624.76 : x
  2. Step 2: Convert to fraction form
    539,645.53/809,394.56 = 160,624.76/x
  3. Step 3: Cross multiply
    539,645.53x = 809,394.56 × 160,624.76
  4. Step 4: Simplify right side
    539,645.53x = 130,008,806,945.31
  5. Step 5: Solve for x
    x = 130,008,806,945.31/539,645.53
  6. Step 6: Final answer
    x = 240,915.19

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1.5x scale

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.