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Finding the Fourth Proportional to 323,704.31, 446,702.15 and 178,510.11

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Solution

The fourth proportional to 323,704.31, 446,702.15 and 178,510.11 is: 246,338.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,704.31 : 446,702.15 = 178,510.11 : x
  2. Step 2: Convert to fraction form
    323,704.31/446,702.15 = 178,510.11/x
  3. Step 3: Cross multiply
    323,704.31x = 446,702.15 × 178,510.11
  4. Step 4: Simplify right side
    323,704.31x = 79,740,849,041.19
  5. Step 5: Solve for x
    x = 79,740,849,041.19/323,704.31
  6. Step 6: Final answer
    x = 246,338.55

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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.