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Finding the Fourth Proportional to 911,035.15, 1,366,412.54 and 303,834.14

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Solution

The fourth proportional to 911,035.15, 1,366,412.54 and 303,834.14 is: 455,704.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,035.15 : 1,366,412.54 = 303,834.14 : x
  2. Step 2: Convert to fraction form
    911,035.15/1,366,412.54 = 303,834.14/x
  3. Step 3: Cross multiply
    911,035.15x = 1,366,412.54 × 303,834.14
  4. Step 4: Simplify right side
    911,035.15x = 415,162,777,456.95
  5. Step 5: Solve for x
    x = 415,162,777,456.95/911,035.15
  6. Step 6: Final answer
    x = 455,704.46

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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.