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Finding the Fourth Proportional to 363,476.56, 545,209.96 and 93,603.20

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Solution

The fourth proportional to 363,476.56, 545,209.96 and 93,603.20 is: 140,403.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,476.56 : 545,209.96 = 93,603.20 : x
  2. Step 2: Convert to fraction form
    363,476.56/545,209.96 = 93,603.20/x
  3. Step 3: Cross multiply
    363,476.56x = 545,209.96 × 93,603.20
  4. Step 4: Simplify right side
    363,476.56x = 51,033,396,927.87
  5. Step 5: Solve for x
    x = 51,033,396,927.87/363,476.56
  6. Step 6: Final answer
    x = 140,403.54

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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.