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Finding the Fourth Proportional to 514,077.12, 770,991.48 and 198,332.64

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Solution

The fourth proportional to 514,077.12, 770,991.48 and 198,332.64 is: 297,451.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,077.12 : 770,991.48 = 198,332.64 : x
  2. Step 2: Convert to fraction form
    514,077.12/770,991.48 = 198,332.64/x
  3. Step 3: Cross multiply
    514,077.12x = 770,991.48 × 198,332.64
  4. Step 4: Simplify right side
    514,077.12x = 152,912,775,645.91
  5. Step 5: Solve for x
    x = 152,912,775,645.91/514,077.12
  6. Step 6: Final answer
    x = 297,451.04

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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.