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Finding the Fourth Proportional to 514,915.82, 771,368.19 and 244,659.35

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Solution

The fourth proportional to 514,915.82, 771,368.19 and 244,659.35 is: 366,511.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,915.82 : 771,368.19 = 244,659.35 : x
  2. Step 2: Convert to fraction form
    514,915.82/771,368.19 = 244,659.35/x
  3. Step 3: Cross multiply
    514,915.82x = 771,368.19 × 244,659.35
  4. Step 4: Simplify right side
    514,915.82x = 188,722,436,119.24
  5. Step 5: Solve for x
    x = 188,722,436,119.24/514,915.82
  6. Step 6: Final answer
    x = 366,511.24

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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.