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Finding the Fourth Proportional to 702,205.44, 969,043.56 and 379,915.32

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Solution

The fourth proportional to 702,205.44, 969,043.56 and 379,915.32 is: 524,283.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,205.44 : 969,043.56 = 379,915.32 : x
  2. Step 2: Convert to fraction form
    702,205.44/969,043.56 = 379,915.32/x
  3. Step 3: Cross multiply
    702,205.44x = 969,043.56 × 379,915.32
  4. Step 4: Simplify right side
    702,205.44x = 368,154,494,191.34
  5. Step 5: Solve for x
    x = 368,154,494,191.34/702,205.44
  6. Step 6: Final answer
    x = 524,283.17

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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.