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Finding the Fourth Proportional to 602,702.46, 831,701.97 and 330,764.96

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Solution

The fourth proportional to 602,702.46, 831,701.97 and 330,764.96 is: 456,440.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,702.46 : 831,701.97 = 330,764.96 : x
  2. Step 2: Convert to fraction form
    602,702.46/831,701.97 = 330,764.96/x
  3. Step 3: Cross multiply
    602,702.46x = 831,701.97 × 330,764.96
  4. Step 4: Simplify right side
    602,702.46x = 275,097,864,680.46
  5. Step 5: Solve for x
    x = 275,097,864,680.46/602,702.46
  6. Step 6: Final answer
    x = 456,440.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.