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Finding the Fourth Proportional to 911,034.14, 1,366,411.04 and 303,833.14

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Solution

The fourth proportional to 911,034.14, 1,366,411.04 and 303,833.14 is: 455,702.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,034.14 : 1,366,411.04 = 303,833.14 : x
  2. Step 2: Convert to fraction form
    911,034.14/1,366,411.04 = 303,833.14/x
  3. Step 3: Cross multiply
    911,034.14x = 1,366,411.04 × 303,833.14
  4. Step 4: Simplify right side
    911,034.14x = 415,160,951,878.67
  5. Step 5: Solve for x
    x = 415,160,951,878.67/911,034.14
  6. Step 6: Final answer
    x = 455,702.96

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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.