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Finding the Fourth Proportional to 544,084.40, 816,126.60 and 376,122.80

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Solution

The fourth proportional to 544,084.40, 816,126.60 and 376,122.80 is: 564,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,084.40 : 816,126.60 = 376,122.80 : x
  2. Step 2: Convert to fraction form
    544,084.40/816,126.60 = 376,122.80/x
  3. Step 3: Cross multiply
    544,084.40x = 816,126.60 × 376,122.80
  4. Step 4: Simplify right side
    544,084.40x = 306,963,821,946.48
  5. Step 5: Solve for x
    x = 306,963,821,946.48/544,084.40
  6. Step 6: Final answer
    x = 564,184.20

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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.