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Finding the Fourth Proportional to 646,239.45, 967,915.76 and 468,337.94

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Solution

The fourth proportional to 646,239.45, 967,915.76 and 468,337.94 is: 701,460.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,239.45 : 967,915.76 = 468,337.94 : x
  2. Step 2: Convert to fraction form
    646,239.45/967,915.76 = 468,337.94/x
  3. Step 3: Cross multiply
    646,239.45x = 967,915.76 × 468,337.94
  4. Step 4: Simplify right side
    646,239.45x = 453,311,673,131.93
  5. Step 5: Solve for x
    x = 453,311,673,131.93/646,239.45
  6. Step 6: Final answer
    x = 701,460.85

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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.