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Finding the Fourth Proportional to 665,555.58, 998,078.22 and 523,680.03

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Solution

The fourth proportional to 665,555.58, 998,078.22 and 523,680.03 is: 785,319.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,555.58 : 998,078.22 = 523,680.03 : x
  2. Step 2: Convert to fraction form
    665,555.58/998,078.22 = 523,680.03/x
  3. Step 3: Cross multiply
    665,555.58x = 998,078.22 × 523,680.03
  4. Step 4: Simplify right side
    665,555.58x = 522,673,632,191.95
  5. Step 5: Solve for x
    x = 522,673,632,191.95/665,555.58
  6. Step 6: Final answer
    x = 785,319.28

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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.