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Finding the Fourth Proportional to 446,915.27, 670,162.17 and 162,405.71

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Solution

The fourth proportional to 446,915.27, 670,162.17 and 162,405.71 is: 243,531.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,915.27 : 670,162.17 = 162,405.71 : x
  2. Step 2: Convert to fraction form
    446,915.27/670,162.17 = 162,405.71/x
  3. Step 3: Cross multiply
    446,915.27x = 670,162.17 × 162,405.71
  4. Step 4: Simplify right side
    446,915.27x = 108,838,159,683.18
  5. Step 5: Solve for x
    x = 108,838,159,683.18/446,915.27
  6. Step 6: Final answer
    x = 243,531.98

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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.