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Finding the Fourth Proportional to 265,007.70, 396,539.55 and 195,023.70

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Solution

The fourth proportional to 265,007.70, 396,539.55 and 195,023.70 is: 291,820.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,007.70 : 396,539.55 = 195,023.70 : x
  2. Step 2: Convert to fraction form
    265,007.70/396,539.55 = 195,023.70/x
  3. Step 3: Cross multiply
    265,007.70x = 396,539.55 × 195,023.70
  4. Step 4: Simplify right side
    265,007.70x = 77,334,610,237.34
  5. Step 5: Solve for x
    x = 77,334,610,237.34/265,007.70
  6. Step 6: Final answer
    x = 291,820.24

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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.