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Finding the Fourth Proportional to 514,793.49, 771,645.78 and 190,373.11

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Solution

The fourth proportional to 514,793.49, 771,645.78 and 190,373.11 is: 285,358.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,793.49 : 771,645.78 = 190,373.11 : x
  2. Step 2: Convert to fraction form
    514,793.49/771,645.78 = 190,373.11/x
  3. Step 3: Cross multiply
    514,793.49x = 771,645.78 × 190,373.11
  4. Step 4: Simplify right side
    514,793.49x = 146,900,608,135.11
  5. Step 5: Solve for x
    x = 146,900,608,135.11/514,793.49
  6. Step 6: Final answer
    x = 285,358.33

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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.