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Finding the Fourth Proportional to 400,260.27, 600,488.82 and 160,390.11

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Solution

The fourth proportional to 400,260.27, 600,488.82 and 160,390.11 is: 240,624.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,260.27 : 600,488.82 = 160,390.11 : x
  2. Step 2: Convert to fraction form
    400,260.27/600,488.82 = 160,390.11/x
  3. Step 3: Cross multiply
    400,260.27x = 600,488.82 × 160,390.11
  4. Step 4: Simplify right side
    400,260.27x = 96,312,467,893.57
  5. Step 5: Solve for x
    x = 96,312,467,893.57/400,260.27
  6. Step 6: Final answer
    x = 240,624.60

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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.